I barely slept at all that night, spending the time laying there as my imagination wandered, wondering what Ava had planned for tomorrow. After having finally drifted off for a few hours, I snoozed my alarm before its second beep and quickly got out of bed. I took a swift shower and got dressed before heading downstairs and saying goodbye to my mom as she left for her work conference. After she had left, I made a bit of breakfast and waited in anticipation for Ava to get ready.

About 20 minutes later, she finally came downstairs and greeted me, wearing a maroon sweater and black skirt.

“Morning Kyle! You certainly look like you slept well.” She teased me knowingly, likely noticing the slight dark circles under my eyes. I chuckled and rolled my eyes at her, watching as she sat down across from me and eyed me curiously.

“So…” I asked with uncertainty, “what’s the plan?”

Ava seemed to consider her answer for a moment: “Well, it should be pretty simple. You will choose an outfit for me, get the supplies, and tie me up until you don’t need any instruction and I can’t escape.” She looked at me with a playful and confident grin, as I felt myself blush a little bit at the bluntness of her words. After a moment, I simply nodded and stood up.

“Alright then, let’s begin.” My sister immediately smiled and quickly began making her way to her room as I followed close behind. Once we entered her room, she hopped onto her bed and crossed one leg over the other, gesturing towards her closet for me to select her upcoming attire. I considered my options, looking at a variety of different outfits and items, before my eyes flickered to the white box from yesterday. I paused for a moment as my gaze seemed to rest on it as my imagination wandered briefly.

“Kyle? What is it?” I heard Ava ask from behind me, and I quickly shook myself out of my trance as she came over to see what I had been looking at. “Oh…” She quickly noticed what had caught my attention, smirking with amused curiosity. After a moment of terribly awkward silence, she seemed to have decided something.

“Good choice,” Ava commented, grinning at my bright red and surprised face, before picking up the box and entering her bathroom.

I stood there completely frozen as my heart pounded in anticipation and disbelief, my mind racing to prepare me for what I was imagining. It felt like an eternity before the door opened, and I heard the soft padding of stockinged feet as she came out of the bathroom.

Ava walked out to the middle of her bedroom with a playful little spin, showing off the attire that had been chosen. She wore a matching set of lingerie, lace bra, panties, and garter belt, all elegant and flattering. Her legs were clad in the very same black stockings that I had gagged her with yesterday, connected to the garter belt as well. I felt a strange flurry of emotions—excitement, attraction, and confusion—but in the end, I felt somewhat understanding of the reality.

She was my sister, but she was beautiful.

Ava grinned and blushed a tiny bit as she watched me look her up and down in awe. “So, what do you think?” I gulped and took a moment to try and turn my brain back on, but she held up a hand and giggled before I could actually say anything. “It’s okay, your reaction tells me enough.” I finally felt able to break out of the trance and knowingly smiled but blushed a bit.

“Are you sure you’re good with this?” I asked curiously, still unable to believe that this happened so easily. Ava smiled at me genuinely and sat next to me on her bed.

“Yes, I am okay with this, and you don’t need to be worried. I know that you’re a maturing boy and that certain things are going to get your attention, but that’s okay. It’s fun for you, and it’s fun for me, so we can both enjoy it and have a little fun with it all. Plus, if I’m going to be tied up, and I am, I want to look good while doing it.” I felt myself calm a bit, reassured by her understanding and encouragement.

“Yeah,” I nodded, looking at her with building positivity and excitement. "Yeah, that’s a good way of looking at it. Thanks for everything, Ava.” She returned my bright look and lightly punched me in the arm.

"Alright, you, don’t go all soft on me now. After all, it’s time for you to capture me.” I laughed at her teasing, but could tell that she was being genuine underneath. I stood up and ran to my room to fetch the supplies, returning and tossing the large sack onto Ava’s bed. She then took it and began sorting through it, withdrawing several items and neatly laying them out while thinking to herself.

“Okay, so you’ve got eight ropes for tying me, along with some vet wrap and belts for some special additions.” As she explained, she moved the bag out of the way and crossed one leg over the other as she faced me. “Now, I don’t want there to be a chance of me escaping this time, so I’m going to give you a couple instructions to start with.” I was surprised but excited by the detail and assurance of her plan and eagerly nodded as she continued to explain. She then stuck out both of her hands and made tightly closed fists.

“You’re going to begin by wrapping up each of my hands with vet wrap so I can pick at any knots or use my fingers.” I was once again taken aback, but grew intrigued by the idea and quickly grabbed the roll of vet wrap and started wrapping it around her left fist nearly a dozen times until it was simply a smooth, helpless ball. I then repeated the process for her other hand, and she seemed to be satisfied.

“Okay, good so far! Now you can start on the actual tying. You’ve got eight ropes, so lets say… my wrists, elbows, chest, my…um…waist, above and below my knees, my ankles, and then the hogtie rope.”

“Sounds like you’ve certainly thought this through.” I lightly teased as I turned her around and placed her wrists together behind her back, looping the first rope tightly around them.

“Like you’re one to talk,” she cheekily retorted as I snugly wrapped the rope around her wrists four times before drawing it between them and cinching it as tight as possible. I silently grinned and continued my work, looping the second rope around her elbows, pulling the slack until Ava’s elbows touched behind her back. As I wrapped and cinched the rope, I noticed the softest of moans escape my sister’s lips as the knots were finished and tugged. Neither of us said anything as I then very cautiously tied a bikini chest harness, and I couldn’t help but notice how much better the rope framed her breasts since they were already accentuated by the lingerie. After the chest harness was securely tied in place, I had her sit on the edge of her bed, and I took out a shorter rope for her ankles. I crossed her ankles and looped the rope around them, pulling it tight, wrapping it, and cinching it just like her wrists. After her ankles were tied, I added another equally tight rope just below her knees before grabbing the sixth rope to bind her thighs. I carefully looped the rope around her legs just below the tops of her stockings, winding it around several times before cinching it as tightly as I could, tucking away the knot to finish.

“How is that so far?” I asked, watching with satisfaction as Ava struggled and strained in her bonds for a few moments before quickly settling back down.

“It’s good! It’s really tight, but keep going.” She eagerly told me, eyeing the last two ropes on the bed next to her. I took one of the ropes and looped it around her waist, holding the slack out as I met her gaze intently.

“Ready?” I checked, getting only a confident nod from her in return. I then pulled the slack taut and drew the rope down between her legs, straining it tightly as I pulled it back up behind her and connected it to her wrist bonds. “Good?” I cautiously asked, watching as she stifled a moan and squirmed lightly.

“Yeah…good.” As she softly shifted back and forth, I took some initiative and tightly buckled the belts around her wrists, elbows, ankles, and thighs. Having used everything Ava had laid out except the hogtie rope, I went back to her wardrobe and selected three silk scarves, one white, one red, and one black.

“Looks like I don’t need to give instructions anymore,” Ava playfully commented as she saw me approach her with the first scarf already balled up.

“I couldn’t agree more. Any closing statements?” She seemed to think for a moment before giving me a genuine smile.

“Make sure the hogtie is tight; I don’t want to be the one who decides when I’m untied. You’re in charge now; you’ve earned it.”

Hearing those words, I felt myself stir in excitement as she giggled and opened her mouth wide. I immediately stuffed the white scarf between her lips, filling her mouth. After that, I pulled the red scarf tightly between her teeth, wrapping it around twice, under her hair, before knotting it behind her head to create a thick cleave gag. Finally, I took the black scarf and placed it over her lips, wrapping it around and tying it behind her head under her hair with a strict knot to create a secure and elegant layered over the mouth gag. As I smoothed the final layer down, I felt the soft silk against her skin, grinning as she playfully mewed through the scarves that gagged her. I then gently guided her down onto her bed, weaving one end of the last rope through her ankle bonds as she lay there on her front. The hogtie rope was then tightly tied in place, drawing her ankles up to her wrists before being tied to her elbow ropes and chest harness. Now that her bondage was complete, I gently traced my fingers along the ropes that bound her from head to toe, making sure that her helplessness was guaranteed.

"Well, I think you certainly won’t be the one deciding when you get untied.” I tease truthfully, grinning as her giggling retort was incoherently muffled by her thick gag.

“But it never hurts to make absolutely sure…” I ominously added, sitting on the bed behind her before wrapping one arm around her ankles as I used my other hand to tickle her stockinged feet. She immediately cried out into her gag and burst out into muffled laughter as I raked my fingers back and forth along her nylon soles as she did her best to fight me off with her toes. This did succeed in assuring me that my work was thorough enough that she could not escape, as she helplessly squirmed and kicked in response to my sudden attack. Eventually I released my grip and settled instead for lightly running my hand along her legs and feet, listening as her breathing grew slower and deeper as she settled down into her helpless state. I noticed that Ava had closed her eyes and laid her head down on her bed as I spent the next few minutes lightly feeling and caressing her stockinged legs, hearing her occasionally sigh contently as I did so.

After a while, I stood up and told her, “I’m going to go use the restroom and give you some alone time. Is there anything you want before I go?” She nodded as she looked up at me and batted her eyelashes.

“Blmmdfphld mm!” Ava brightly requested, and I immediately got another black scarf from her wardrobe and tied it securely over her eyes.

“That should do it. Enjoy!” She giggled into her gag, nodding enthusiastically as I looked back at her.

“Thhhnk yhhh!” I heard her call out as best as she could before I closed the door to Ava’s room and entered my own. I still felt myself buzzing from the excitement, and I must have had a dumb grin on my face the entire time. After quickly using my restroom, I grabbed my phone and silently crept back into Ava’s room, where she still lay helplessly. Pulling out my phone, I spent the next several minutes taking photos and videos of my sister from every angle, all with careful fascination as she lightly struggled against her immobilizing bonds. As I silently watched her, I felt an immense feeling of satisfaction and thrill.

My older sister laid on her bed, tightly hogtied and gagged in this outfit, all at her request. It was my work that kept her that way. She was helpless because I tied her up and gagged her, and that wouldn’t change until I decided it would.

I felt invincible.

I appreciated the moment for a little while longer before eventually sneaking back out of her room, this time going to the kitchen to grab a snack. After eating for a bit, I looked at the clock to find that Ava had now been bound and gagged for two hours. Trying to be responsible, I filled a glass with water and added a straw to it before I made my way back up to Ava’s room, letting her hear me this time.

“Hey, how are you feeling? I thought you could use some water,” I said to her as I untied the gag from her mouth, removing the blindfold after that. She didn’t say anything for a moment, and I held the water up to her lips, allowing her to drink through the straw. Once she was done with that, she took a deep breath and looked up at me playfully.

“Kyle, this is the best feeling ever! You tied me so tightly, I could never get out on my own.” I smiled brightly, proud to hear her praise.

“I should hope so. You’ve already been tied up for two hours, and I haven’t heard you complain yet.” Ava sarcastically chuckled,

"Yeah, I’m sure that and the gag are completely unrelated.” We both joked back and forth for a bit, casually chatting as if she wasn’t tied up in lingerie, or as if that was an entirely normal occurrence.

“Alright, Mom is supposed to get back in about an hour and a half. I’ll regag you and give you one more hour in this, and then I’ll get you untied before she comes home,” I decided, taking a pair of white tights from Ava’s closet this time.

"Sir yes sir.” She dramatically confirmed, immediately adhering to the plan by opening her mouth for the gag, despite rolling her eyes at the tights. I smirked and packed them into her mouth before retying the knotted cleave gag, over the mouth gag, and blindfold. I watched the clock for a bit, my hand instinctively moving to caress Ava’s stockinged leg as I absentmindedly stared at the passing time.

After a bit, I got up and left her to savor the last of her helplessness, making sure to have enough time to untie her. As the hour finally came to an end, I returned to Ava to find her, unsurprisingly, lying calmly on her bed, not bothering to struggle anymore. I gently removed her blindfold and gag once again before untying the hogtie rope and helping her to sit up on the edge of her bed. Kneeling down, I took her bound feet in my lap to work on untying her ankles as she wiggled her nylon feet back and forth playfully. After freeing her ankles, I moved up to the ropes above and below her knees, unable to help myself from blushing as my fingers brushed her stockinged thighs, earning a tiny giggle from Ava. She must have seen my face go red because she watched me throughout the entire process of untying her legs.

"Well, now I know this outfit is definitely a keeper.” She teased me, “But I’m glad you like it. After all, my captor should be allowed to find some enjoyment in his work.” My sister commented with a wink, turning herself around for me to be able to untie her upper body. About ten minutes later, I had all the ropes and belts off of her, and I was now undoing the tape from around her hands as she watched in amusement. Finally, once that was done, she stood and stretched, expressing a newfound appreciation for her freedom.

"Wow, I missed being able to use my fingers, or really anything for that matter. Now I’m going to go get dressed; make sure the house is okay for when Mom comes back.” I agreed and stepped out of her room, spending the last few minutes cleaning the kitchen before my mom walked through the door right on time.

“Hey Mom! How was the conference?” She smiled and gave me a hug.

“Hi honey, it went surprisingly well, actually! How was your day here? I trust that you and your sister got along well.” I stifled a chuckle and settled for a subtle smirk.

"Yeah, of course we did!" As if on cue, Ava came downstairs, having put on a black sweater and a red skirt over her lingerie.

“Hey Mom!” As she came closer, I noticed rope marks on her wrists peeking out from her sleeve briefly, and our mom seemed to have noticed them as well.

"Hello, Ava, what have you been up to today?” She had a knowing and amused look on her face as Ava answered.

"Oh, Kyle had me tied up for most of the time. But don’t worry, I asked him to.” My sister unabashedly explained, as I went a little red in the face from her openness.

“Honestly, I expected as much. What was it this time?” Our mom admitted with a chuckle.

"Hogtie, scarf gag, blindfold." Ava casually noted.

"Very nice. Well, I'm glad you both had a fun day so far." She smiled genuinely at us both before dropping off her things and heading up to her room to change.

“Come on, Kyle.” Ava said in amusement as she turned to me, “There’s no need to hide it or be embarrassed. You tied me up. You like tying me up, and I like being tied up. You’ve tied Mom up. You like tying her up, and she likes being tied up. I’d imagine it’s all going to happen pretty often in this house, so let’s all just be open and honest about it.”

I was still a tiny bit surprised at first, but as I considered her words, I came to total agreement.

“Yeah, you’re right.” I simply answered, both of us seemingly in thought for a moment. “So… can I tie you up again tomorrow?” I boldly asked, getting an amused sigh from Ava.

“I knew you’d ask that.” She teased, “But yeah. We can do that. Although, let’s try to get Mom to join too.” As she said those last words, we heard footsteps approaching the stairs.

“Get me to join what?” Our mom asked, looking at us curiously from the top of the stairs.

“Oh, Kyle wants to tie me up again tomorrow; I was saying that he could tie you up as well.” Ava immediately spoke up, and we both watched as our mom contemplated the bold and open idea before a tiny playful smile formed across her lips.

“Sure, why not?”