My hands were cuffed over my head and attached to the small poles of the metal bed frame while the suction cups were sucking and tugging on my pert buds. She had stuffed her panties into my mouth and placed tape around my cheeks, ensuring they wouldn't come out. The blindfold that covered my eyes heightened my sensitivity and in fact made my body shudder as she ran her hands up and down my inner thighs.

"My, My, you're soaking wet." She trailed a couple of her fingers from my pussy up to my cock trapped inside of the cage. I whimpered and bucked my hips upwards a bit, indicating it needed to be played with. Sensei smirked and moved her hands down to the backs of my thighs, pushing them up towards my upper body. I gasped when I felt her hot breath against my pussy.

Licking around my cleanly shaven outer lips, she got to the top of my core. Slowly trailing her tongue down she flicked my little nub, sending shocks of electricity through my body. She gently moved her tongue back and flicked it a few times, watching as I squirmed. Wrapping her lips around it, she sucked on it lightly before moving down to the flood. Licking up all the pussy juice that had flowed out of me, even dipping her tongue inside of me a couple times. I felt one of her hands move to my ass and started playing with the tail, rocking it around inside of me slowly. Moans vibrated off my vocal cords but were blocked off from her panties.

I felt as she pulled away from me, a pained expression would have covered my face had it not been for the blindfold and the makeshift gag, but soon pleasure returned as I felt her spreading my pussy. Her gentle fingers roaming around it as if she were examining it carefully. Going up to my clit she had placed a wet finger on it, gliding it back and forth and giggling at my body twitching.

"Such a shame you're not allowed to talk, otherwise I'd make you beg me for more." She grabbed it with her thumb and forefinger, rolling it around to tease me. "Are you just constantly wet due to what your mistress does to you? I know I would be." Fondling my clit for a couple more seconds she then released it, my body aching more now.

"I have some paperwork to get done today, you're distracting me a lot right now, you know that?" I felt her shifting on the bed, assuming she was sitting up and reaching into the bag as I heard her rustling around with her things. "But, that doesn't mean I won't still be playing with you in spirit, right? Besides, I'll even let you watch me get off, how does that sound?"

"Mhmm!" I nodded my head in agreement, needing something to satisfy me. I felt her placing things on the mattress beneath me.

I heard her take her shoes off before crawling up my body, moving the blindfold up a bit to allow me to see. She maneuvered around to where she was holding onto one of the metal posts, a hand placed over her pussy as she began to rub it. Taking in her scent it drove me insane, causing me to squirm where I laid. Her juices falling onto my face as she played with her cute little nub.

Her moans were soft while her movements were quick. I clenched my hands tightly, trying to break free, knowing that struggling wasn't going to help me here. I needed to touch her. I needed to help her feel good and ravish her body in ways she couldn't imagine.

Louder moans broke passed her lips as she then moved one hand off the post and toyed with her nipples, pinching and rolling them in between her index finger and her thumb. Her juices slid down my cheeks as she looked down at me, smirking from the sight she had.

She soon let out a light moan, her pussy squirting a little onto my cheeks and nose, the smell was intoxication at this point, my mind going blank. My body burning from watching her cum on my face, I whimpered as I looked up at her, wanting to lick it off myself. After a moment of her regaining herself, she hopped off of me after slipping the blindfold back on. I could hear her redressing herself while I laid there with her cum on my face.

Her shoes clicking as she came closer to me, she grabbed the cage my cock was trapped in and moved it around a bit before I felt her starting to unlock it and eventually taking it off. I began to get hard, raising up to a solid seven inches and precum leaking out.

I sighed in relief, my cock no longer hurting but finally free. I bucked my hips a bit in hopes she was still close enough to where I could get in contact with her, but alas, all she did was chuckle at me.

"I have something I would like for you to try." Grabbing one of the items on the bed, I heard a cap open up before she squirted something into her hand. "It's similar to lube but not quite lube. More of an aphrodisiac if you will." I felt her hand on my cock as she gently massaged it in, the feeling of her hand against my cock almost enough to make me cum before she pulled away. "And then, I also have this." Picking up another item she started to wrap it around the base of my cock tightly before I heard a click noise. "This is another thing to ensure you don't cum, wouldn't want your mistress to know you came without permission, hm?" She said that last part with a hint of bitterness to her voice.

"So, I'm going to leave you here for a while, by the time I get back your breasts should have grown to a bigger size due to the constant stimulation and as for your cock, you'll just have to deal with it. Ta-ta~" I moaned in response, wanting her to stay and toy with me but listened as I heard her walk away and shut the door.

I was left there until lunch, my body relishing in the pleasure while my cock ached. I was breathing uncontrolled. When she would get a student in, she would turn the vibrations and suctions on my nipples up, driving me mad until they left. The aphrodisiac was causing my cock to feel hot and tingle all over, yearning for playtime. She was being a tease and she knew what she was doing. Did Mistress set her up for this or was she also a fucking freak? The smell and taste of her panties alone could have driven me crazy at this point but she insisted to put more toys on me.

My mind was filled with thoughts of what would happen if another student saw me like this. Would they laugh and humiliate me or step all over my cock, making me cry out as pain mixed with pleasure. I was a pervert, I knew I was but I couldn't outright tell my Mistress' that. They wouldn't even give me a chance to breathe however, maybe that's what I'm craving.

Hearing her lock the entrance, her heels clicked along the floor before she opened the room that had me in it. She wasn't very chatty as she shut the door behind herself and straddled over top of me. She turned off the suction cups and took them off of my body, setting them next to us.

She hummed lightly, her hands running over my breasts. I could feel her flicking my nipple back and forth as she spoke, my head spinning. "Looks like the serum really is working." Her voice sounded so sweet, yet devilish at the same time. She moved one of her hands up and removed the blindfold, "Look at them, they're getting so big!" I was in a daze as I looked down at my chest. I licked my lips and let my mouth roll open once more for a moan to run free from her actions.

My chest had grown more, my skin pushing through the cut material and tearing it, bit by bit. My nipples stood at least an inch or two taller than what they were before. They had gotten thicker and longer, seeing how she was now treating them only made me begin to love them. If her serum makes my body more sensitive, regardless of the body modifications, I love it and I need it.

She ran her hands along my breasts slowly, her fingers flicking over my nipples, pressing them down into me and watching how they sprung back up. I pressed my head into the bed, squirming under her more. With her lack of panties I could feel how wet she was, she had her juices dripping down her leg again. She may have needed me but I needed her much more and she knew that. Grabbing my nipples in between her fingers I watched as she tugged on them, pulling my breasts in all directions slowly as she grazed her eyes along my body.

I was biting into her panties, looking up at her with nothing but lust. She had a smirk on her face as she noticed, "You look so cute. How pent up are you?" She giggled a bit, leaning down to where her breath was hitting my chest. I whined, leaning my head back into the mattress as I struggled against the handcuffs lightly before relaxing them again.

"Pl-Please touch me more, I-I need it. My-My balls ache." The pleasure felt achingly good, I hadn't come in days and my body was begging for at least one. Or maybe it was begging for more constant stimulation? The line was becoming foggy at this point, I had nearly forgotten the feeling of sweet release by this point or, well, it felt like it.

She opened her mouth as if she were about to tease me more before letting a laugh escape as she sat up, I trembled as I whimpered. I needed something, anything. "Did you really want me to do it?" She raised a hand and flicked one of my nipples. My body shook from the pain coursing through me, not that I minded it much. It was only fueling me more.

This time she leaned down and captured it in her mouth, starting from the tip and slowly sliding her mouth down onto it. She didn't dare touch it with her tongue, no she was too much of a tease right now. She was enjoying this little game she was playing. She grazed it with her teeth lightly before capturing the bud and pulling on it. I rolled my eyes back and let out a moan, my body shuddering from the pain mixed with pleasure.

She dropped it from her mouth before she began talking again, "Let's check the progress on your cock, shall we?" She slid down my body with ease, my cock in front of her and throbbing. The restraint on it was doing its job, I hadn't come however, precum was leaking all around my cock. It was painful, incredibly painful, but it was what was helping me get off almost. I was falling in love with the feeling of my cock being locked up. Who would have guessed a week ago I was jerking myself to an orgasm nearly every hour of the day, who would have known orgasm denial could be so sweet.

"Oh my, you're making my mouth water." She ran her hands up my thighs and grabbed onto them as she adjusted herself over top of my cock. "Forget the pocket pussy I was going to fuck you with. I'll do it myself." She was pressed against my cock, in the middle of sliding down onto it before there was a knock at her door then someone unlocking it and entering.

My anxiety spiked up while she took my full length inside of her. I struggled against the restraints, getting a bubble of worry in my chest before Tama walked through the door. A smug smirk on her face as she looked at the scene in front of her.

"Lovely seeing you here. I've had fun playing with our toy so far." The nurse started moving her hips onto me, grinding into me as moans were let out past her lips. She had her head turned towards Mistress, "Look at what I've done to her so far, I'd love to have her in here at least twice a week if we can get away with it."

I was making attempts to form words but the sensation of her pussy sliding up and down on my cock was too much for me to handle. My tongue poking out with my eyes rolled back, my body quaking under her. "Mi-Mistress," It came out as a slur, "Pl-Please let me pleasure you too!"

I heard her laugh a little as she was making her way over to me, "I don't think you're worthy of that while your cock is inside of another woman." My heart fell into my stomach as she was now face to face with me, "However, I will create an exception for Kagamine." Mistress had a satisfied smile on her face as she looked down at me, placing a hand on my jaw. "You've really turned into a slut, haven't you? How disgusting you are. First you let me play with you for a couple days, even send me some nudes and now you're with the nurse? My, my…" Her voice came out as a purr. She moved her hand down my neck and my breasts before grabbing onto them with both hands.

Sensei was no longer moving on top of me as she allowed Mistress to take a look at what she had done to me. Her hands felt my breasts for a short time before her fingers trailed to my nipples, rolling her fingers over them gently, watching as they flicked from left to right. "You're going to turn her into a sex crazed idiot at this rate." She looked back at her, grazing her hands against them before grabbing hold of them with her fingers, stroking them up and down as if she were milking me.

"I think I could say the same about you, you won't even allow her to cum." Kagamine was moving her hips onto me now, grinding my cock into her pussy. "However, I do just love hearing her beg for an orgasm, she is quite whiney after all. Wouldn't you agree?"

Mistress laughed a bit as she stood a little off to the side, sliding the pencil skirt down her body and unbuttoning the dress shirt she had worn. "I usually don't give her the chance to cry about it, I shut her up."

The two toyed with my body for the entirety of lunch, Mistress riding my face once more until I could make her cum while the nurse was pushing myself deep inside of her. I couldn't contain the excitement as my body trembled beneath the two of them, sweat mixed with their cum rolling off my body. Mistress was degrading as she spoke down to me, calling me nothing more than a fuck toy and how I was going to forever be at her beck and call only to get her off then leave.

Once the end of the day rolled around, I was released from the bed by Nurse Kagamine. The students were leaving and the day was at an official end. My body was sensitive, almost like a gentle nudge in the wrong direction would drive me near the edge again. As I sat up my breasts were pushed into the fabric, the fat surrounding the cut holes puffing out. It was shocking how quick her serum was working on me.

"Be sure to stop by more often." Kagamine was walking towards me, my clothing draped her hands as she sat them down beside me. She cupped my breasts with her small hands, wiggling her fingers back and forth on my nipple, flicking them side to side, "I can't guarantee you'll have an orgasm but I know I will." I watched as my thick buds moved along her fingers, my body jumping each time she made contact.

"Please can I touch myself when I'm at home? I promise I won't cum!" I looked up at her with longing eyes. She had a devilish smirk as she licked her lips. Humming lightly as she dipped down, raising my breasts up and kissing them. Her teeth nipped at my skin as she spoke.

"Why of course. You're not leaving without something to help you though." She cupped the part of my breast that was exposed through the holes, pressing them together and watching as my nipples pressed against one another. She rolled her tongue out of her mouth and lapped at both of my sensitive spots. I arched my back, pushing myself up towards her more before she pulled away.

She went back to her office room, grabbing her purse before coming back over towards me. I watched as her body swayed with every step she took, the way her breasts bounced inside of her uniform. Nearing me, she stood in front and went through her purse, pulling out a small plastic bag as well as her phone. Setting her bag down on the bed she opened up the 'present'.

She held three cock rings in her hand, having them around her finger as she messed on her phone, "These, little toy, are your new chastity belt." She had a smile on her face as she turned her phone towards me, "And it's bluetooth!"

Getting on her knees, I leaned back, giving her full access to my cock once again. I could just run but my body won't let me. I'm stuck sitting as she clasped the chastities around my cock. One going at the base, the second one on the midshaft of my cock, while the last one ended up right under my tip.

"I think you'll like these a lot more, they change in size depending on if you're flacid or not, try to take them off and you get electrocuted. Doesn't this make you so excited? Now you can play with yourself whenever you want. It's like a collar you can never take off."