Transformation Themes:

Genital Transformation (Penis to Vagina, Vagina to Penis)

Sexual Themes:

Nudity

PiV Sex

Oral Sex 

Part 1 – A Game:

My girlfriend had control of the Device for the day and she decided to get her revenge for my actions of the last night. It was a Monday morning and I allowed myself an extra half hour in bed after our alarm blared; I didn’t have to leave as early to get to work as she did. In my comfortable daze I felt her warm presence shift, get up and head straight to the Device that lay on the desk on the other side of the room. I smiled remembering the night before, knowing with a little disappointment that my girlfriend was undoubtably undoing the alterations to her form I had applied in the evening.

I felt my skin prickle slightly: the tell-tale sign that the Device had been used on me. I opened my eyes and rolled over to look questioningly at my partner. I was greeted with the sight of a beautiful, petite woman in her mid-twenties, with shoulder length dyed purple hair and, unlike last night, just two beautiful breasts. She wore the thin pyjama top I remembered her slipping on after she’d ventured to the bathroom in the night and I saw her nipples poking through the thin fabric. I fondly reminisced back to just a few minutes earlier when there would have six nipples tenting the fabric.

She returned my questioning glance with a sly smile, before putting the Device back down and heading out to the bathroom. I chuckled and closed my eyes again. I was sure to find out what she’d done as soon as I went for my own shower. Unless she’d purposefully made me unaware of the changes, but that could potentially be fun in its own way.

The Device was a powerful piece of technology, magic, or some combination of the two. It looked like a tablet of no discernible brand from the early 2010’s. It had no charging ports and only one physical button used to turn the screen on or off. Simply put it allowed its users to transform people, and seemingly reality itself, with almost no limitation. It was remarkably intuitive, to the point that I tended to think magic had to be involved, and, with some sensible precautions, very safe. I’d had it for a couple of weeks and had shared it with my girlfriend within a day of finding it in my letterbox. In that time, we’d experimented with it increasingly frequently. We were still being rather tame with it, but over the weekend we’d explored a few more wild changes. The only thing we’d promised to stay well clear of for the time being was the mental change options that it promised.

I heard the shower start and I let myself drift a little deeper into my doze, only to come to consciousness again when the bedroom door opened and my girlfriend walked in, clad in just a towel. “Hey babe,” she said, dropping the towel and opening her underwear drawer, “you should probably get up. My phone says there has been a crash, traffic is going to be bad.” Her skin was a light brown tone and I could see how smooth and soft it looked after her shower. I tore my eyes away from her bare form and got up.

With a stretch I climbed out of bed, “What did you do to me with the Device?” She turned and looked at me, her surprise dwarfed by her amusement.

“If you haven’t worked it out yet you must have been sleepier than I imagined. I’m sure it will become evident when you get to the bathroom.” Her grin widened and I shook my head, chuckling and starting to suspect what she had done.

Moments later my suspicion was confirmed. Instead of the respectable cock I was used to having between my legs, I was greeted with a smooth mound and slit. In truth, I should have realised earlier, especially when the sight of my girlfriend had failed to elicit an erection to signal the arousal I had felt. Despite the novel experience, I only had so long to get ready for work and was forced to get into the shower without much more exploration.

The mirror was clouded up, but I got a decent view of myself and frowned at the strange sight. My skin was as pale as ever and my body, save my new mound, was covered in dark hair that contrasted against it. Although relatively short, I had a decent amount of bulk and always considered myself to look rather masculine. The contrast of my normal body against my altered genitals was disorientating. I felt a thrum of excitement and warmth at the sight and grinned. Something about the sight appealed to me in a way I couldn’t quite rationalise.

I washed quickly, although I will admit to a short diversion to explore my changed anatomy briefly. I walked into the bedroom as my girlfriend was finishing getting dressed, pulling on her shoes. I decided to forgo even a towel, and her eyes widened when she saw me walk in. She laughed in shock at my brazenness, but even as the laugh left her mouth, she was unconsciously biting her lip. “Oh babe, if wasn’t going to be late already…” she grinned and pulled on her other shoe, before walking over to me. She kissed me on the cheek. “I hope you have a fun day. I know thinking about you is going to keep me excited to get home.”

I raised my eyebrows, “You’re keeping me like this while I go to work?” I felt self-conscious suddenly. We’d never been transformed, even partially, outside of the house.

“Of course babe, this is my revenge,” she grinned evilly. Her face became serious “As long as you’re okay. You can change back if you want to, I know it’s quite a big step.” She looked at me with complete sincerity, and I felt a surge of love for her. I also felt a surge of arousal at the thought of spending all day with my secret during work. Rather than answering I smiled broadly, embraced her and gave her a kiss passionate enough to leave her flustered.

She swatted at me playfully and gave me a brief return kiss before turning to leave. I watched her walk out of the bedroom and smiled stupidly. We’d met six years earlier while at university and, despite some difficulties, finally moved in together just six months previously. I loved her unreservedly. I had to admit her kinkiness was a part of that love. I remembered thinking she was an innocent and reserved girl when I met her, but that act had only been kept up for a matter of weeks after we started dating.

I let myself reminisce for a few more moments before starting to get dressed myself. I checked the calendar on my phone and was glad to see I had no meetings booked for the day. I grabbed a t-shirt and jeans from my wardrobe and flung them on the bed. I grabbed a pair of boxer shorts and slid them up my legs. It felt very strange, and not entirely comfortable, to feel the unusual emptiness left by my absence of a penis.

In less than ten minutes I was out the door and in my car on the way to work. I squirmed in my seat each time I stopped in traffic, entirely too conscious of the absence in my underwear and the foreign genitals that occupied the space. The traffic was as bad as Hira had suggested and, combined with my discomfort, I found my mood soured as I reached the office, a few minutes before my shift was due to start.

The security guard at the front desk looked me over briefly as I walked in. I felt myself flush as I irrationally imagined him staring at my crotch, but he spared me little more than cursory glance and buzzed me in. I walked towards the lifts to my floor, and as I passed colleagues I recognised, I felt a paranoia rise within me. Was my change obvious? What would people think when they realised I had suddenly changed? Would they call a news crew? Would they send me to be experimented on?

“Moring Connor. You alright?” The words broke me out of my daze. I blinked and looked up at Rebecca. I had reached my floor and walked to my team’s area in a form of self-absorbed auto pilot. “You seemed a million miles away there. Something on your mind?”

Rebecca was about a decade older than me, putting her in her late thirties. Unlike me she tended to arrive earlier than me after dropping her kids off at school. She was a lovely person, which was a blessing as we spent most of our days working side-by-side as the managers of one of the more successful sales teams in our area.

My paranoia surged briefly. If anyone would notice something amiss it was Rebecca. Words caught in my mouth briefly. But she wasn’t looking at my crotch. Of course she wasn’t! She was looking at my face. Relief washed over me, bringing with it a healthy dose of amusement at my own idiocy. I chuckled good humouredly and replied, “Sorry Becs. I don’t think I’m quite awake yet. I had to get up a bit earlier today to avoid the traffic and I think could have done with those few extra minutes.” She smiled and offered to grab me a coffee, as she was on her way to get one herself. I thanked her, but declined, promising that the fog was finally lifting without any caffeinated aid.

After my morning panic my day progressed smoothly. Sitting down seemed to remind me of my situation more than standing, so I spent a good portion of the day walking around the department and keeping an active eye on things. It made me feel very visible, but I quickly realised that people didn’t really look too closely at each other very often, and even when they did they didn’t pay enough attention to notice anything amiss.

I had another moment of panic when I went to use the restroom. The morning had been busy enough that I’d almost put my situation out of my mind and as I walked into the men’s room to relieve myself I instinctively walked towards the urinals. There were four of them lined against the wall, with two currently occupied. I moved to approach an empty one and had taken a couple of steps towards it before I remembered exactly why using a urinal wasn’t practical. Blushing furiously, I stopped short suddenly and turned towards the stalls. One of the men at the urinals finished up just as I performed my abrupt manoeuvre. I recognised him as one of the sales guys from another area and he gave me an odd look before he made his way to the sinks. For myself I found the first empty stall and entered hastily.

I wiped the seat down, cursing all men who thought it was acceptable to urinate on toilet seats, and pulled my pants down. As I sat, my blush returned. Somehow, despite the stall door between me and the rest of men’s room, I felt exposed. I could hear a couple of people around me; the sound of men washing hands or people playing games on their phones. I felt strangely vulnerable so close to so many strangers with the hairless, feminine opening between my legs exposed to the air. My overactive imagination whispered that as soon as I urinated, all the men would be able to tell by the sound and know my secret immediately.

I sat there for an embarrassingly long time. In truth I found myself unable to release my bladder until the sound of a hand dryer masked the sound. I cleaned up quickly and exited the stall, embarrassed as much by my own paranoia and timidity as by the secret in my pants.

My day improved as it went on. I found myself growing more comfortable, less anxious and, eventually, I even began to enjoy the situation. It was exciting to know I was hiding my impossible secret so brazenly in front of people I spent hours with each day. When my girlfriend text to ask me if I was enjoying myself, I could honestly reply that I was.

I felt my phone buzz again and I checked it, seeing Hira’s name in the notification bar. I checked the message idly, but upon reading the message I put my phone away, afraid someone would notice the contents. I excused myself, telling Rebecca I needed to take a personal call, and found a nearby private area to read the message over again. I felt a heat rise in my cheeks and, more slowly, between my legs.

I’m glad you’re enjoying yourself babe. I want to make sure you’re nice and riled up for me this evening. I want you wet and dripping. I want you hot and desperate. I’m going to show you exactly what a gift you’ve got between your legs. Think about the sounds I make when you go down on me. Think of the gasps when you use your fingers. Think of the moans I can’t stop when you fuck me. The text ended and almost unwillingly my mind conjured a collage of memories. I thought of not only the sounds that Hira made, but the expressions on her face, the tightness of her grip, the shortness of her breath and the heat of her skin. If I’d had my penis, it would have been rock hard. As it was, my temporary vagina was quickly confirming it was just as excited as any cock would be.

My phone buzzed again. Tonight, that will be you. 

I felt my breath catch and I was suddenly aware of nothing but my own arousal. It was familiar, but also foreign. It felt like the heat of my new sex was emanating throughout my entire body. I took a breath. And another. I got myself under control, although the arousal was still present, along with a slickness between my legs.

“Everything okay? You look a little flustered.” Rebecca asked as I returned to my area. I nodded in reply and returned to work, but my mind was already moving ahead to the evening. I continued to receive texts, and each buzz of my phone conjured new images to mind and left it impossible for my arousal to subside completely.

I smiled slightly to myself and shook my head. The worst of it was that this kind of game (or torture) was exactly the kind I’d inflicted on her in the past.

***

My shift ended at long last. As I walked to my car, I checked the texts I’d missed while I worked, and the words within kept my arousal steady through the short drive home.

Just enough had been left to my imagination for it to go wild with potential scenarios. It seemed my imagination was just as hyperactive for this task as it had been when feeding my paranoia in the morning. By the time I reached home my arousal had reached uncomfortable levels. My heart surged with joy when I saw my girlfriend’s car already parked up. I wouldn’t have to wait for her to return.

Getting inside was a blur. One moment I was in the car, the next I was in my room, speechless at the sight that greeted me.

Hira was in tight, black lingerie and red heels. Ropes were neatly laid on the bed, alongside a blindfold and gag. I almost moaned in sheer arousal as my imagination went into overdrive. I think I did moan when Hira spoke; “You’re overdressed babe. Get stripped and get on the bed. I’ve waited for this too long already.”

I was naked in seconds. I took a moment to inspect my boxers, and blushed as I noticed a conspicuous wet spot in them. It didn’t escape Hira’s notice either and she smirked, but said nothing and just gestured at the bed.

“Now then, this might be intense. I think, for both our safety, we need to get you… secure,” Hira teased. She moved towards me and I sat up to kiss her, but she just put a finger on my lips and pushed me back gently. “Not yet baby. Let’s allow the anticipation to build just a little more,” she pushed me down without force until I was on my back, one finger on my lips. Her legs pushed mine apart and as she leaned over me a finger from her other hand brushed my lower lips with all the force of a breath of wind. My breath stopped completely for an instant and I felt my body convulse involuntarily. “I promise it will be worth it.”

I was soon tied with legs spread apart and my arms stretched above my head. The blindfold was placed over my eyes and the gag carefully tightened to make it as comfortable as possible. Hira checked I was comfortable, and made sure I could click my fingers (a safe ‘word’ for when gags were involved) before I felt her weight lifted from the bed as she stood up.

I frowned and almost whimpered, wondering where she had gone. I strained my ears and heard her walk over to the desk and open a drawer. For a moment I wondered if she was going to use the Device, but I didn’t have to puzzle over it long. “Remember that massage gel we used last week? That was really good,” I felt something cold land on my lower stomach and I flinched slightly. “I think you’ll enjoy it too.” I mumbled something through the gag, but Hira said nothing else, just making sure to squeeze a little more gel out.

For a few agonising moments nothing happened, then I felt Hira’s hand against my thigh and her weight depressed the end of the bed. I clutched the bed sheets in anticipation. Her other hand began to spread the gel downwards. She teased me for a moment by spreading it along the crotch without quite reaching down to the vulva. I tensed and pushed my hips upwards. I heard her sniff in amusement, but she indulged me and I felt the rapidly warming gel against my new most intimate areas.

My tension lifted and I sagged down. I sighed appreciatively through the gag and let my mind focus on the sensation. It wasn’t particularly intense, but after the build-up, the sheer relief at the touch was euphoric. Hira’s fingers ran smoothly along the outside of the lips a few times, before she let one spread them gently and introduce me to a plethora of new sensations. My tension returned when she first ran a finger over what I realised must be my clitoris, and it released as I shivered when the same finger passed ever so lightly over the vagina itself, threatening to enter as the gel mixed with the already ample lubrication.

Hira didn’t rush. She explored my new genitals slowly and methodically. Every part was given attention, although initially she only teased the clitoris and vagina with occasionally light caresses, as if to assure them they were not forgotten. The pleasure built rapidly and eventually I was bucking against my restraints, frustrated by my girlfriend’s slow pace.

“So impatient,” she chided. I was preparing to mumble a response through my gag when I instead moaned. A single finger slipped inside me. I felt unfamiliar muscles contract and I bit down on the gag. I immediately understood that I’d been waiting all day for this penetration and now that I had it I only wanted more. As if reading my mind Hira’s finger began to move, slipping in deeper and then curling slightly to stroke the inner walls of the vagina. I shuddered in pleasure and moaned again. The feeling caught me off guard and my mind span.

Hira’s finger set a steady rhythm and the new sensations were unlike anything I’d ever felt before. When I felt her other hand move and a finger begin to lightly massage the clit I shook so violently I thought I might break the ropes. I began panting through the gag. I began to beg, unintelligible, for more. I don’t know if Hira heard me, but moments later I felt a second finger slip inside me. The stretching was momentarily uncomfortable, but I quickly acclimatised and even welcomed it.

I began vocalising loudly and even I wasn’t sure what I was trying to say. Hira didn’t stop, slow down or speed up her ministrations. Her rhythm was steady and the pleasure only built.

I screamed out in pleasure as the orgasm hit. My vagina clenched down on Hira’s fingers, as if it couldn’t bear to let them escape. My body shuddered and my breath caught in my throat. My mind went blank and I stretched out as far as my bonds would allow. My knuckles were white from clenching the sheets. My skin slick from sweat. My breath heavy and hot.

When I came back to my senses I began to laugh. The pleasure hadn’t faded completely, and my brain was swimming in endorphins. Hira lifted the blindfold and unstrapped the gag. She opened her mouth to speak, but as soon as my mouth was free I stretched my neck and kissed her passionately, desperately. Her eyes widened in amused shock for a moment, but she returned my kiss eagerly. As we broke off, she smirked cockily, an expression she accused me of wearing regularly, “That good huh?”



Instead of replying I kissed her again.

***

A couple of hours later we were cleaning up after our quickly prepared dinner. Neither of us had felt much like getting properly dressed, but we’d conceded to the cold and put on loose-fitting lounging clothes. Even with time to recover, my mind was fixed on the pleasure I’d felt at the hands of Hira. It didn’t help that she occasional slipped a hand down the front of my pants to tease me. Although in her defence I’d started it.

Plans were running through my mind as I placed the last of the cutlery away. I felt obligated to repay Hira, but I also selfishly wanted to discover what other pleasures she could introduce to me. I felt myself moisten again as a plan recommended itself to me.

“I still feel a little sticky from the massage gel. I think I’ll have a quick shower,” I announced, walking towards the bathroom. When I walked into the bathroom I waited a few moments for effect and called out; “That was an invitation.”

The water had just reached the ideal heat when I heard the shower curtain slide back. I drank in Hira’s nude form as she stepped into the shower with me. Despite years together, every time I saw her I couldn’t help but admire her figure. She was a couple of inches shorter than me, with a petite figure that had enough curves to be enticing. Her breasts were pert and firm, small enough to fit comfortably in the palm of my hand and with prominent dark brown nipples that stood to attention in the cold of the bathroom. My eyes lingered on her own mound momentarily, producing a surge of lust in my core. My eyes were however inexorably drawn to her face, which greeted me with the involuntary embarrassment she still could not suppress when I admired her so blatantly. I’d often thought of the different words to describe attractiveness and the images they conjured in the mind. The best word to describe Hira’s face was ‘pretty’. She had a beauty that seemed completely natural and that held the attention. Her features were soft, feminine and perfectly combined in such a way as to have left me smitten at first sight.

Her momentary embarrassment passed and she grinned at me, stepping forward into the spray of water, careful to keep her hair dry. She sighed happily at the warmth. We shared a kiss and held our naked bodies against each other, letting the hot water relax us and clean us.

It was I that broke the embrace by reaching across to grab her shower gel. I opened the bottle and the sweet, fruity scent of the gel caught her attention. “You’re the one who needed to clean up, not me,” she said. I was already squirting the gel into my hands, and before I replied I began to run my soapy hands over her shoulders. She sighed involuntarily and let herself relax against me.

“There’s a very dirty girl in need of washing more than me. Although it’s not just her body that needs it, her mind is filthy,” I teased as I rubbed the soap into her breasts. She slapped me, lightly, as much for the corny words as for the fact that my hands spent an inordinate amount of time focussed on her chest. I earned another slap when I demonstrated how diligent I was about making sure the space between her legs was pristine.

In a short time she was soaped up completely. She moved to get back into the full stream of water, but I blocked her gently and held out my own shower gel. “I think you should replay the favour,” I suggested. She did not object, but made sure to pay me back for my own overeager ministrations when she reached my own altered groin. I admit I had to support myself against the wall in response to the weakness of legs her own teasing soaping prompted.

By the time we were ready to leave the warmth of shower, I could tell that Hira was turned on again, and if anything I was even more so. We towelled ourselves dry quickly, knowing without speaking that we wouldn’t be bothering to redress once dry. I followed Hira into the bedroom, both of us naked and still just a little damp.

Her eyes were sparkling with arousal as we kissed and embraced before we even reached the bed. Her hands ran down to my butt and squeezed tightly as she pulled herself against me. Her hard nipples pushed against my firm chest and she let out a moan of desire. One of her hands released its grip as we manoeuvred to the bed, trying to find its way between my legs. I let her fingers run against my lower lips gently, but then pushed her hand away and broke the contact between us. She looked at me confused, and not a little annoyed at having her fun interrupted.

She opened her mouth to speak, but we’d been moving slowly the whole time and it was at that moment that the back of her legs bumped gently against the side of the bed. I smiled at her reassuringly, before pushing backwards against the bed. She fell on her back with a gasp of surprise, but I heard her laugh lightly immediately afterwards as she bounced slightly. Her knees and lower legs still hung off the side of the bed and she tried to pull them up to join her on the bed proper, but I grabbed them firmly to stop her. With only a slight effort, I dragged her backwards so that her entire lower half was off the bed.

I could see her begin to try and raise herself up, but before she could I dropped to my knees between her legs and began to gently kiss the insides of her thighs. She relaxed quickly, recognising the position. She grabbed something and a moment later a pillow was handed to me. I gratefully took it and, temporarily pausing my ministrations, placed it beneath my knees for comfort.

Hira and I were both fortunate in that we both had a fondness for oral. Receiving and giving. Oral was a regular part of our lovemaking on both side and, without trying to sound too immodest, we were both very good at it.

I spent a short time teasing Hira with kisses on her thighs and lower stomach, occasionally breathing gently against her vulva as I changed my targets. I could hear her moaning, but just as the tone was switching from pleasure to irritation, I let the tip of my tongue lightly trace a path between her lips. She shuddered and I felt a sympathetic twinge in my own groin, causing me to squeeze my legs together gently. I placed my mouth against the upper part of her vulva, as if I was kissing her clitoral hood and its surroundings. I gently sucked, letting my tongue flick forward to introduce itself to her clit, before breaking contact.

Slowly, but surely and inevitably, I let my mouth explore her completely. I traced her inner lips and the inside of her vagina with my tongue, before returning inevitably to her clitoris. I would concentrate on her clit for a while, letting her pleasure build, before easing off and returning to explore the rest of her.

At some point I realised that her hand was gripping my hair and pushing my face into her mound insistently. Her moans were muffled as her thighs squeezed shut and covered my ears in the process. I could hear myself moaning in kind, and it seemed that this was only adding to Hira’s pleasure.

I recognised the signs and switched my tactics. I returned to her clit and began to steadily work it, making sure to keep the rhythm and pressure consistent, finding the balance by her reactions. It took maybe a minute of concentrated, relentless attack. Hira’s legs squeezed tighter and the grip in my hair was almost painful. Her body shuddered, and so did her voice. Hira cried out in pleasure, her words indecipherable apart from the occasional “fuck” and “oh god”.

She held me in position while she rode through the climax, but as it passed she gently pushed by head away. Sitting up a little, she pulled herself more fully onto the bed and smiled at me. She looked flushed and even a little dazed, but very satisfied. With a contented hum she patted the bed beside her and I eagerly joined her.

“Thank you, babe. That was a lot of fun,” Hira half sighed as she spoke, pulling me tight against her and kissing me firmly to punctuate her gratitude. I smirked and returned the kiss eagerly, proud of her praise and the pleasure I had brought her. We held each other for a few minutes, kissing and exploring each other with our roaming hands, but I eventually broke away slightly and made eye contact with Hira.

“I’m glad you enjoyed it,” I paused momentarily, before continuing, “I was wondering if maybe… you’d be willing to return the favour?” I felt my cheeks heat slightly at the request, the strangeness of the request only really hitting me as the words left my mouth.

Hira frowned slightly and broke eye contact. I recognised the expression as one of contemplation and gave her time to consider. Eventually she returned her gaze, looking apologetic. “I don’t think I can. I’m sorry Connor. I was fine using my fingers, but for some reason the thought using my mouth is really unappealing.” She sound genuinely remorseful, and I could not hide my initial disappointment. Yet I understood her words, and I imagined myself in a reverse situation. As open-minded as I like to think I am, the thought of going down on a penis, even attached to a woman, seemed to butt up against some unknown mental block.

“But I do feel bad,” she continued, sitting up and rolling gracefully off the end of the bed and onto her feet, moving towards the desk. “So I think I’ll have to make it up to you.” She picked the Device up from the desk and turned it on. She was smiling, but as she looked at the screen, her expression became a frown. She tapped the screen a few times and seemed to consider something, before seemingly changing her mind. She smiled again and pressed a couple more times.

The familiar sensation of a faint prickling, almost like a mild case of pins and needles, announced that I’d be the target of the Device again. I looked down at my groin and watched in awe as the very flesh shifted and deformed until it returned to a familiar shape. My penis, balls and even my trimmed pubic hair returned to its rightful place. It seemed to take my cock a couple of seconds to realise I was still aroused, but it quickly stiffened to its respectable erect size.

Hira climbed onto the bed again. “Lie down babe. Let me make it up to you like I promised.” I grinned and lay back in a comfortable position. Hira’s eyes sparkled as she smiled and took her position. As her tongue ran up the based of my cock I closed my eyes and opened myself to the pleasure, grateful in truth to have it returned, despite my curiosity.

***

Later that evening, Hira and I lay in the bed, content and relaxed. As was often the case, the blowjob had only been the beginning of what proved to be a passionate session of lovemaking. Hira seemed almost as grateful as me for the return of my penis. I enjoyed the extra attention she gave it during the blowjob and the following sex, almost like it had been away for longer than just a few hours.

“You know earlier, when you gave me back my dick?” I asked Hira, to which she replied in the affirmative, “You looked like you were looking at something else first? I was wondering what it was?”

One thing we had learned about the Device early is that is seemed to know exactly what you wanted whenever you used it. I wasn’t sure if it could read the minds of the user, or if there was maybe some other magic in place. Regardless, whenever the Device was turned on, the menu screen showed a different set of options. It just so happened that whatever you were thinking of tended to be one of those options, often near the top of the list. More interestingly, there were often options that you had not previously considered, but that were of great interest shown high on the list. Just the day before for example I opened the device with every intention of increasing the size of Hira’s breast for the evening, but the opening menu had greeted me with a top option of ‘multiple breast transformation’, which when selected had given me a range of options regarding number, placement and even size. Needless to say I had changed my original plans when presented with the new option.

I wondered now what new, unexpected feature the Device might have revealed to Hira earlier in the evening. She thought for a moment, and I wondered if she was going to refuse to tell me. However, eventually she replied, almost with embarrassment, “It was one of those mind alteration options that come up sometimes, the ones we promised not to use. It said ‘alter sexuality’ and it was targeted at me. I opened it, and it had so many options inside! I could change where I fell on the spectrum of homosexual and heterosexual like I expected, but I could also change my overall interest in sex at all and even my attitude towards exclusivity in sexual relationships,” she paused and looked at me, looking more embarrassed than even before. “I considered making myself bisexual, or at least more comfortable with vaginas, so that I’d feel okay going down on you, but I chickened out.”

I was a little shocked at the confession, but I was grateful that she’d even considered such a thing for my benefit. However, we had both agreed that we would avoid the mental transformations for the time being, until we felt like we understood the Device a little more. It seemed that every time we used it, a least one mental transformation was near the top of the list. It was always something tempting too, like the Device wanted us to take advantage of them. I involuntarily glanced at the desk the Device sat upon, almost as if expecting it to somehow be exuding a sinister aura. It wasn’t. As far as I could tell, the Device merely showed you what it thought you might want. I turned away, telling myself that Device didn’t have some kind of sinister agenda and mostly convincing myself of the fact.

Hugging her tightly I kissed her forehead. “As interesting as that might have been, I think you made the right choice. I’ve noticed more of those changes coming up as options recently though. Maybe because we’re more aware of them, so we’re just naturally thinking about them more?” I pondered my own theory for a moment. It made sense. I thought of the last half dozen times I’d turned on the Device with the intention of using it on Hira. In almost every case, one of the top options had been ‘total obedience’ and I knew that when I used it next it would be there again. I felt guilty to admit it, but the thought of turning my girlfriend into some kind of hypnotised slave to my will was incredibly arousing to me. I tried to discard the thought, but to my shame felt my dick stir with arousal again.

Hira chuckled slightly, feeling my member stiffen against her stomach as we lay embraced. “Is that on account of me, or some sick fantasy you’re brewing,” she teased. I laughed in response and kissed her, but couldn’t help but feel a mini surge of terror that she had guessed what I was thinking. We made out for a while and the activity drove my worries from my mind. It was barely after ten o’clock when we fell asleep, tired and content from the exertions of the day.

***

I looked over the options the Device presented me and considered. As I had predicted, ‘total obedience’ was right there at the top. Beneath it was ‘genital transformation’, most likely since I was considering my own experience from the day before. ‘Multiple breast transformation’, ‘vocal transformation’, ‘height transformation’ and ‘figure alteration’ were the rest of the options visible, but I knew I could scroll down to find more. It was Tuesday morning, and my turn to use the Device on Hira. The option presented to me were all appealing in their own way, and, with the exception of the ‘total obedience’ option, they were all things I could conceivably change and let Hira go to work with.

I considered my options while I listened to the shower running. Hira would be a few more minutes and I was going to wait until she was in the room to make the change. I carefully considered each option, imagining her at work trying to deal with it. A slight change to her height or figure would be subtle enough for people to ignore, except to Hira who would be constantly aware. Even so, the concept didn’t inspire me and it was no wonder the two were the bottom of what I thought of as my ‘recommended list’.

The vocal transformation was interesting. I imagined changing her voice noticeably, perhaps making it slightly deeper and more masculine. She’d be able to excuse the change, as long as it wasn’t too extreme, but I imagined her blushing each time she had to speak, or each time someone on the phone mistook her for a young man. It was entertaining, but too easy to avoid; she could say she’d lost her voice and just avoid speaking most of the day.

Giving Hira multiple breasts again was as arousing as it was amusing. The additional ones would have to be small in order for her to be able to hide them, but it was doable. Still, there would be the constant threat of discovery, as well as the reminder of their presence constantly. I almost decided to go with it as an option but changed my mind considering it would mean using the same transformation as I had used on Sunday evening.

Which realistically left the option that was second on my list, and the one I had known I’d use from the beginning. I was going to give Hira a taste of her own medicine. I was going to give her a penis to deal with for her day at work. I opened the menu before she was finished in the shower, making specific selections.

I decided to give her a smaller cock that would be easier to hide. Even erect it would be less than four inches. Despite some temptation, I decided not to use any of the options that would make it extra sensitive or cause it to get hard at random times. My interest in this change was to tease and embarrass Hira, but I didn’t actually want anyone else to notice anything. I scrolled to the bottom of the sub-menu and found one last option.

‘Awareness’ was the name of the bottom option of this menu, just as it was on most changes. I tapped it and yet another sub-menu opened. We’d played around a little with this option before. I suppose it was technically a mental transformation, but I’d not really thought of it that way before. With a few taps I set it so that only Hira and I would be able to notice she had a penis, everyone else would just ignore it if they would have otherwise noticed. It was one last safety precaution to protect my girlfriend in our little game.

With all my options selected, I just had to apply the changes. When Hira finally returned to the bedroom, towel wrapped around her, I caught her eye, grinned and clicked apply.

Hira’s eye’s widened as she felt the change hit her. She was shocked still for a moment, then smiled wryly and dropped her towel, revealing the brand new penis and testicles hanging between her legs. We both took a moment to examine her crotch, and simultaneously began to laugh at the unusual sight.

“Okay. I suppose I should have expected this,” Hira managed after gathering herself. She moved over to the mirror and examined herself. With a shake of her head she looked back at me, “I suppose you expect me to go to work with this?” I shrugged with a smirk. “Oh yeah, I’m sure you’d like me to admit defeat and ask you to turn me back,” she said in response to my unsaid challenge, “well no way. This just require some creative thinking on my part when it comes to an outfit. This will be a piece of cake.”

As I was leaving the room to head to the shower, Hira was stood in front of the wardrobe, considering her outfit choices for the day. I chuckled when I saw her look at the tight jeans she’d planned on wearing and putting them away again.

By the time I returned from my shower, Hira was dressed and ready to go. She’d decided on a blouse and long skirt, allowing the looseness of the skirt to hide her new addition. When I walked in she gave me a quick twirl. “What do you think? No one’s going to notice,” she smiled as I approached, “I don’t think this is going to be too hard.” She gave me an arrogant smirk. I returned the smile and bent down slightly for a kiss. She was expecting a quick peck, but I held the kiss and felt her push against me. My arms encircled her and pulled her close, before reaching down to grope her butt. We began to make out for a few moments I felt her moan into my mouth.

I broke our kiss and grinned when I saw her pouting. As I pulled me arms from her back I let my right hands reach gently between her legs and felt the fabric of her underwear straining against a growing erection. “I certainly hope it’s not hard all day,” I teased and laughed as she slapped my arm playfully in irritation. She scowled and began to adjust her underwear. Without much success I imagined.

By the time she left her erection had faded, but I could see trepidation in her eyes. She was clearly beginning to consider how awkward her day could be. I watched her leave and supressed a chuckle as she straightened out her skirt as if it would somehow keep everything hidden.

***

I spent the day at work distracted, wondering how Hira was handling work and remembering my own discomfort the day before. About lunch time I sent her some texts. I got my revenge and sent her some very suggestive messages and promises. I was rewarded with a string of expletives in reply.

After a quick word with Rebecca in the afternoon she agreed to cover for me on a call to let me leave half an hour earlier than normal. I’d been thinking about the previous night and how much fun I’d had. I wanted to give Hira a similar experience, but for me that meant a bit more prep to do.

I arrived home long before Hira was due to finish work, and immediately went to our bedroom and turned on the Device. I looked at the top options and wasn’t surprised that they were already set for exactly what I’d decided in the car. I stared for a few minutes at the glowing screen, psyching myself up for what I was planning. With a deep breath, I clicked a series of buttons and felt a familiar tickle on my skin as a change took place on me. The faint, momentary dizziness was a new experience and I wondered if I’d discovered the tell-tale sign of mental change.

The sound of a car door shutting outside a short time later announced Hira’s return home. I was already in the bedroom, naked but for a pair of boxer shorts, when I heard the front door open, followed by the sound of a pair of shoes being discarded and bare feet ascending the stairs. The bedroom door opened and my girlfriend stepped in. She saw me lying on the bed and immediately began to strip. “You better get the Device, or else be ready to take responsibility for this.”

She was naked in moments, her dick standing at attention and a look of lust in her eyes. I made no movement for the Device and simply smiled at her, before gesturing to the bed. If she was surprised she didn’t let it stop her. In a heartbeat she was on the bed and in my arms, our mouths locked together passionately. I felt her hardness against my abdomen and I felt pride that I was causing the reaction.

“You introduced something new to me yesterday, so I think it’s only fair I do the same for you,” I said as we broke apart for a moment. Hira’s looked at me with a curiosity and anticipation. “Lie down and get comfortable.” She did as I asked, continuing to look at me curiously. I moved down her slim body, kissing it as I went, making sure to give extra attention to her nipples as I always did. I reached her stomach and descended further until I reached the top of her groin.

I felt her hand touch the back of my head to stop me. “You don’t have to babe. Not if you don’t want to,” she said, looking at me with such love and care that it only strengthened my resolve.

“I know,” I replied, before I continued my journey southward.

The strangest thing about giving my girlfriend a blowjob, it turned out, was how willing I was to do it. My use of the Device was part of it, but in many ways it was simply a case of showing my girlfriend how much I loved her in an intimate and, judging by her reaction, pleasurable way.

I tried my best to remember what Hira did when she went down on me and what I enjoyed the most. It probably wasn’t the best blowjob ever performed, it wasn’t even the best performed in that bed, but it didn’t really matter. Hira was not prepared for the sensation. Her hands grabbed my hair and I heard her begin to shout my name. Knowing what this mean I sat up, removing her from my mouth and finished her off with my hand. Despite the mental modification I’d made, I was still reluctant to let her ejaculate in my mouth.

It took seconds before she erupted, mostly covering her own stomach with cum. I grinned in satisfaction; an expression mirrored by her. She absently reached down and gathered a small amount of cum on her finger, before bringing it to her mouth and licking it clean. “Hmm. It doesn’t taste like you, but its similar,” she said, giving me teasing smile.

I flopped beside her and planted a kiss on her lips, which she returned vigorously. “That was… wow. I didn’t expect that,” she looked at me, a question in her eyes. “Did you use the Device?” I nodded in response, knowing that she had figured that I had mentally modified myself. “Ah babe! You were the one who was said we shouldn’t! How do you feel?” She didn’t sound angry, just concerned.

“I know. I was thinking about it a lot today, and I thought that maybe it was time to try something. Something relatively small,” I explained, “I didn’t change much. I just kind of took away like a socially programmed belief that I should find penises unattractive.” I gave Hira warm smile, “I don’t feel any different really, but I’m aware of the change. I can recognise it intellectually and I know that something has changed. I was worried it would make me think I’d always been this way, but as far as I can tell it’s done nothing of the sort.”

Hira seemed to mostly satisfied by my answer, but did make me promise not to use the mental effects again without both having a discussion. I promised and we just lay next to each other for a short time. Eventually Hira went to clean up and while she was gone I got up to grab the Device.

She came back in to see it in my hands and raised her eyebrows in askance. I just grinned in response and pressed a button. She reacted immediately, shivering slightly as she felt a change. I pointed at her crotch again and we both watched as her penis began to grow, before becoming erect again. Rather than its previous four inches, it now proudly stood at nearly seven inches in length.

“Not that I’m complaining, but what’s this in aid of?” Hira asked as she grasped her length with admiration.

I removed my boxer shorts, finally revealing the physical change I had made earlier: the return of my vagina. “Well, I just thought a little extra length might make the grand finale that much more enjoyable.

Hira’s eye’s widened in surprise, but in a heartbeat she discarded surprise for excitement and lust. “Oh babe. I hope you’re ready.”

“Come fuck me stud,” I replied in my sultriest falsetto, causing her to burst into a fit of laughter. Not that it stopped her doing exactly as I asked.

***

We both agreed that the experience was incredible, and worth repeating.

So we did.

Twice more that night with the aid of the Device. By the end we were both sore, not to mention starving. We decided to clean up and order takeaway for delivery.

After quick (separate, to prevent temptation) showers, I returned to the room and picked up the Device. Hira saw me and walked next to me, looking over my shoulder. “That was a lot of fun,” I said probingly, “I’m not really sure I want to go back just yet.” I turned to look into my girlfriend’s eyes and she smirked at me.

“Well, in that case, why go back? How about we play at little game: we each keep the changes for the rest of the week?” Hira suggested, guessing immediately what I really wanted. “But tomorrow’s still my day with the Device, and I’ve got a lot of ideas I want to explore.”

I put the Device down and embraced Hira lovingly. I was lucky to have the Device, but that paled in comparison how lucky I was to have her.