Denise Miller sat at her desk in the classroom. The twentysomething teacher was taking her time grading the history tests. It was rather quiet, as most everyone had gone home for the night.

Sam the math teacher's classroom was closeby. On his way out, he must have noticed the light was still on and checked on her. "Still working on those papers?"

Denise nodded. "Yes. I've got to go over each one. There are short essay questions in here, so it will take quite a bit of time."

"It's a shame to spend a Friday night here doing work."

"At least I will have the weekend all to myself."

Sam chuckled. "That's true. Did you want to get something to eat? You can't work on an empty stomach."

"That's okay, I already ate. I knew this would take me a while."

"Burning the midnight oil, huh? Well, good luck." Sam waved and started to close the door. "See you Monday."

"Good night. See you Monday." Denise waved goodbye as Sam left. She worked for the next hour before getting up and going to the bathroom. While she was out, she made a final sweep to make sure everyone else was gone. From the window, the facility parking lot was empty, save for her own car. So she returned to her classroom, locking the door once she closed it.

She grabbed the paper bag under her desk and pulled it out. Inside was a mid-size box that she then placed on her desk. Taking out a key ring from her pocket, she unlocked it with one of the keys. She took all the items out and spread them across her desk. Then she removed her vest and blouse, folding them up and setting them in the now empty box. This was followed by her skirt and stockings.

Standing only in her underwear, she glanced at the door, a smile creeping across her face. "I can't believe I'm actually doing this." Soon, she reached behind her and off went her bra. She slipped off her panties and neatly set both items in the box.

"Now to get dressed." She whispered to herself, lightly giggling. Denise slipped on a pair of long latex gloves and stockings, reaching her biceps and thighs.

She put a little lube on the plug before inserting it down below. She wished she could save it for later, but it was better to do it now. Next came the leather thong. Practically a chastity belt, it had a small lock in front marked with yellow colored tape she borrowed from the art room. In fact, all the locks were color coded. The leather strap dug into her nethers as she pulled it in place and closed the lock.

Denise exhaled as she pulled the PVC and leather corset around her waist. She took three small pad locks, each with purple tape wrapped around them, and attached them to the loops in the buckles.

She pulled a leather harness around her chest, lifting up her breasts, which were left mostly exposed. This was more for aesthetics then anything else. She clipped a blue lock to the back, closing it shortly after.

Next came the collar. It was steel with a leather lining. Hanging from the back was a chain a few feet long, which held up the cuffs. She slipped the stub through the hole and attached the pink lock.

Denise then grabbed a pair of leather cuffs with soft lining off the table. They had an 18" chain linking them. She sat down, moaning softly as she put her weight on the plug, and slid the cuffs around her ankles. She attached the black locks to them.

The last harness went around her head. It had a built-in ball gag she slipped into her mouth. She pulled the straps in place and attached the white lock.

With only two items left Denise locked the box with a large padlock, red tape wrapping around it. She put it back into the bag and hid it under her desk. Next, she took her key ring and put it in a small plastic box. The top half had a timer, which she set for six hours before closing it. "Better safe than sorry." She placed it in her desk drawer. If need be, she could unlock herself with these spares.

Then she grabbed the pair of handcuffs dangling behind her. They were marked with green tape. She made sure the locks were facing her hands when locking them around her one wrist. She pulled it behind her back before locking it around her other wrist. "That's everything."



The other classrooms were dark, their lights off. The immediate area was illuminated by light coming from her classroom window, but there were still a few lights that were always left on that dimly lit the hallways.

After taking a few moments to let her eyes adjust to the darker hallway, Denise started walking. Her first destination was on the other side of the building. As she moved, she could hear the echoes of her chains.

Denise’s classroom was in one corner of the second floor. She dared not take the stairs in her current state. She moved slowly and glanced around from time to time. She stepped over to the railing overlooking the common area below. She admired the large open space she was exposing herself to. There were a number of doors and an open hallway within sight of her. She imagined the possibility of someone walking through one of them, she had seen countless people doing so during the day. It was so exciting.

After a few minutes of the cool air sliding over her skin, Denise turned and started walking again. The leather thong of her chastity belt rubbed against her sex as she moved. She grabbed the strap with her thumb, trying to elevate some of the pressure, but that just made it worse as it pressed against the front. Soon, she gave up and moved on.

Normally it only would take a couple of minutes for Denise to reach the other side of the building, even with a crowd moving between classrooms. However, now it took her over half an hour. Between her leg cuffs and her moans, she was forced to move slowly. Finally, she reached her destination. She stopped next to a fire extinguisher cabinet close to the end of the hallway, not far from a door.

She turned her back to it and slowly bent down, spreading her legs a bit. She then started feel around the underside of the cabinet. "Please still be there, please still be there..." Her fingers slid across a thin metal object taped to the underside. "Yes!" She pulled on it and could hear the tape peel. Soon it popped off, but it only bounced off her fingers and fell to the floor. "Crap!"

During a free period, Denise had come over here. She had hidden a key to the underside of the cabinet with masking tape. She made sure no one saw her. She gazed down at the key with the green cover now sitting on the floor.

Denise sighed and rolled her eyes. She bent down slowly and felt around with her fingertips. After a moment, she fell onto her butt, pushing the plug deeper into her. "Mmfff!" Her fingers then slid over the key and she grabbed it. She rested on her rump as she fiddled with the key. Pointing it up, she felt around for the keyhole until she got it in. With a click, her left hand was free. She then pulled her hands in front, as far as the chain would allow, and unlocked the other. Slipping the key into her belt, she pushed herself up.

With the cuffs hanging from the chain, she turned around and started walking again. There was still one more key she needed before she could take the stairs. True she could grip the hand rail now, but she didn't care much for walking down them in leg cuffs.

The first key was in the opposite corner of the school from her history room. Now, she headed to the chemistry room. She still moved slowly, so as to give the chain some slack. She found the room unlocked and opened the door. She would have hit the lights, but it had external windows, so there was the risk of the lights being seen.

Denise strolled across the room, going between the tables. She reached under one of the tables and felt around. Finding the second key, she pulled it out. She held it in her gloved hand. It had a blue cover. "Blue!? Crap, I must’ve mixed up the locks!" She sighed and rolled her eyes. She felt around her back and grabbed the lock, unlocking it before unlocking the other. She then pulled off her bra harness.

Standing up, she walked over to one of the cabinets along the wall. There were ones with locks, but this wasn't one of them. She got on her knees and opened it up. Reaching in, she grabbed a folded messenger bag and pulled it out. She opened the black bag and put in the harness, as well as the keys.

"One more corner." Denise headed out of the room. While not exactly a corner, she walked to the second floor girls’ bathroom. Naturally, it was pitch black, so she flipped the switch. The lights blinded her for a moment and she quickly closed her eyes for the moment following.

Under the sink counter was the black key. Denise peeled away the masking tape and tossed it into the trash. Quickly, she unlocked the leg cuffs, tossing them into the bag with the others.

She then looked at herself in the mirror. She saw her reflection for a few moments, admiring her own body. On a whim, she pulled the bra harness out of the bag and put it back on, but leaving the locks open. She then held her hands behind her back and for a moment pretended they were still cuffed together. She giggled behind her gag.

Having had her fun, she returned the harness to the bag. She then tugged at the ball gag in her mouth. It budged only a little... for now.

Denise turned off the lights on her way out and headed to the stairs. She grabbed the rail as she walked down to the first floor. Her next goal was the faculty lounge. It was so exciting, she wanted to skip down the halls.

She stopped herself as she came up to another hallway. It wasn't unheard of for someone to still be here late at night, but even so, it seemed unlikely. Denise checked a few times and found no one there. Still, better safe than found out. She peeked around the corner, only to find an empty and dark hall. She then walked past.

There were a number of large windows in the hallways now as Denise went to the general purpose rooms. They were dark, but she could still see the tables and chairs in the dim light.

She got to the faculty lounge. Nine times out of ten, they left it unlocked after school. About the only time they didn't was if there was some big after-school event. Sure enough, it was unlocked. Denise opened the door and walked inside. It was dark as the hallway lights didn't reach in here. Some moonlight came in from the windows and she left the door open to get what little hallway light she could. However, it didn't want to stay open.

She walked around the coffee table to one of the couches. She slid her gloved hand between the cushions and felt around beneath them. "Where is it? It's got to be here somewhere." After a few moments of searching, she grabbed the cushions and pulled them off. She had slid the white key in there this morning. But now, it was nowhere to be seen. "Did I mix them up?" She ran over to the other couch and pulled off its cushions. No luck there either.

Denise even turned on the lights, risking being seen from the outside. Still, the windows pointed away from the street, so it would be unlikely anyone would be looking. And even then, there was no sign of the white key. She dropped to the floor, landing on one of the displaced cushions. She then felt the leather straps wrapped around her head, her fingers coming across the small lock.

Denise sighed. "Good thing I have spares." There were at least three of every key she used for this little adventure, as she had copies made. One of each was scattered across the school, one full set was now hidden in her desk drawer, inaccessible for about another five hours, and the last was waiting for her back home.

After collecting her thoughts for a moment, Denise did one last check before returning the cushions. She then headed to the door and quickly switched off the lights before leaving the room.

She made her way to the auditorium. Suddenly, she stopped and jumped back. She had forgotten that the computer lab was this way. It was normally locked when there were no teachers around, which was part of why she hadn't hidden a key in there. The other reason was that it had the only internal security cameras in the whole building. "That was a close one." Another few steps and she would have crossed into the hallway where the camera was stationed.

Denise turned around and headed the other way. She took a detour through the commons area, shuddering from the chill as she entered the large open space. Above her were the upstairs hallways, looking down at her.

The main entrance to the auditorium was locked. Denise then had to go around to the backstage entrance. She flipped on a few lights so she could find her way around. There was an LED flashlight she borrowed before strolling out onto the stage, standing in the spot light as she gazed at the hundreds of chairs in front of her. The light made it hard to see, but she knew they were all empty.

After enjoying herself for a moment, she walked offstage and into the seats. She turned on the flashlight and shined it into the rows. She followed the path until the light reflected off a piece of packing tape on the floor. She then ran up to it and got down on her knees. She then found the key with the purple cover taped to the leg of one of the chairs. "At least this one is still here." She grabbed it.

Sitting up, she felt around for the locks on her back and open them. She relaxed a bit as the corset fell away. "Oh, that's better." She tossed the corset, locks, and key into the bag. Then she headed out, turning the lights off on the way.

Her next stop was gym. They had been playing volleyball lately, so the basketball hoops were raised. The bleachers were also against the wall at the moment. They had been out before. She soon located the tether and pressed the button, extending them out slowly.

Denise walked behind the bleachers and shined the light around. After a minute, she found the next key, taped to the back of one of the seats. She grabbed it and headed out before opening her collar. "Finally, I can remove this chain from my back." She coiled up the chain before placing it and the collar in her back, along with the pink key. She then returned the bleachers against the wall before moving out.

The cafeteria wasn't far away. She headed there and went into the kitchen. All the pots and pans were set out to dry or put away. She walked between the tables to one of the storage cabinets for dry foods. She had to get on her knees to feel around the underside of one of the lower shelves. There, she found yellow key. Rather then unlock it right now, she stepped outside first.

In the hallway, Denise unlocked the chastity belt, letting the leather drop to the floor. She set the key and lock in her bag before looking at the garment. It had become soaked in her juices, and not just her sweat. "Maybe I should have saved this for last. Well, I hope I haven't lost the red key like I did the white. I’d hate to have to wait four or five hours to get my clothes. At this point I would have to borrow something from the lost and..." Desine's eyes widened. "Why didn't I think of that sooner? The lost and found! Maybe someone found the key."

Denise stopped at a bathroom to grab some paper towels and clean off the belt before putting it in her bag. Next, she extracted the plug and washed it in the sink before placing it in a plastic bag she had in the messenger bag. She then headed to the front of the building.

She stopped to peek around the corner. The front doors were made of glass and led to the widest hallway in the building. She couldn't make out what was beyond those glass doors, for it was too dark. She couldn't rule out someone walking their dog at this hour. There were cameras, but they couldn't see this far inside.

"I'll chance it." She rushed across the hallway, the cool air washing over her now-exposed sex. There were a few ways to the lost and found. She took the back way to avoid being in the front hallway anymore then she had to. She then grabbed the box were they kept small items. She rummaged through it until she found the white key. "There it is!" Quickly she unlocked the harness around her head. She pulled it off, popping the gag out of her mouth. She then flexed her jaw. "Ah, that's better."

She cleaned the spit off the gag before putting it into the bag. "Now there is only one left." Denise turned and left the room. She pranced naked through the rooms, stripped down to the stockings and gloves. Her breasts bounced as she moved.

The final stop on her little adventure was the social studies classroom on the first floor. Thinking about it now, she should have gone there after the kitchen, since it was closer. Instead, she now had to go to the far side of the building again.

The classroom belonged to a friend of hers who always left it unlocked. She came in to find the blinds open. She stared out into the field beyond the window for a moment. She moved closer, on the look out for any sign of movement as she crossed the room. She froze like a deer in the headlights as something moved in the darkness. After a moment, she realized it was to small to be anything other than an animal, maybe a raccoon.

She had visited her friend today after class for a few minutes and hidden the red key under the potted plant. Sure enough, it was still there. "That's the last of them." Denise blushed as she realized she was now standing in front of a first floor window with her tits exposed. She quickly ran out of the room and headed back upstairs.

In a few minutes, Denise was back in the safety of her own classroom. She sat down, leaning against the door. "I can't believe I just did that." She was still turned on from the experience. She then took a few minutes to take care of personal business.

Finally revealed, Denise got up. After cleaning the carpeting, she walked over to her desk and dropped the bag. She pulled out the box and inserted the red key into the lock. It clicked open. "That was a fun adventure." She smiled as she pulled out her clothes.