The distant echo of All Might announcing the next match could barely be heard through the walls of the girls' restroom at the Ground Beta training field. Mina had her forehead pressed against the cold door of the stall, trying to control her breathing.
Shit, shit, shit.
It wasn't working. She had been like this since Ren's fight against Yaoyorozu ended.
"Why right now?" she whispered against the metal. "Why the hell am I feeling so sensitive?"
The conversation from that morning with Ren kept resonating in her head. Despite being a casual chat, she couldn't get it out of her mind, nor could she forget the strange heat she had felt in that moment.
And now her body was paying the price.
Mina had taken off her bra five minutes ago, unable to stand the constant friction against her nipples. She had stuffed it into her briefcase with trembling hands. But taking it off hadn't helped at all. The bathroom's air conditioning brushed against her skin through her uniform shirt, and every draft of cold air made her nipples harden painfully.
Concentrate. Wait for it to pass.
It didn't pass. It got worse with every second.
"This is ridiculous," she said aloud, trying to convince herself. "I'm a hero in training. I can't let myself be controlled by this."
But her Quirk had completely different ideas.
Mina noticed the moisture first. She lifted an arm and observed her pink skin with growing attention. A transparent film covered her forearm, shimmering slightly under the fluorescent bathroom lights.
What the hell is this?
She touched the substance with a finger. It was slippery and viscous, but it didn't feel like the acid her Quirk normally produced.
"Oh no. No, no, no."
She ran her hands over her arms, feeling how easily the substance spread. Her thighs were also covered. When she moved them slightly, the skin-to-skin contact generated an electric sensation that tore an involuntary gasp from her.
Is my Quirk producing this? Why the hell would it do that?
The answer came when her brain finally connected the dots. She was aroused. Very, very aroused. And apparently, her body had decided to adapt to that situation in the most inconvenient and inappropriate way possible.
"Great. Just great," she whispered with bitter sarcasm. "My Quirk now produces natural lubricant. Just what I needed for my hero career."
She bit her lower lip hard. The urgency in her lower abdomen hadn't diminished one bit. If anything, it had increased exponentially since she discovered the slippery substance. Every passing second, she felt more desperate to relieve the growing pressure between her legs.
I can't go back to class like this. They'll notice. Everyone will know exactly what's happening to me.
All Might had given a ten-minute break between matches. That gave her time. Not much, but enough if she hurried.
Mina slid a hand under her skirt with tentative movements. Her fingers brushed the damp fabric of her underwear, and she had to bite her free hand to keep from moaning out loud.
Good God, I'm completely soaked.
She slipped her fingers under the soaked fabric, immediately feeling the intense heat and excessive moisture. When she withdrew her hand seconds later, her fingers were completely covered in that transparent liquid. Elastic strings hung between her fingers, glistening under the bathroom light like syrup.
She watched it with horror. The scent it gave off was unmistakable: sweet, fruity, like ripe peaches mixed with something tropical she couldn't quite identify.
"This can't really be happening," she murmured, but her voice sounded weak even to her own ears.
It smells too good...
The aroma filled the small stall, enveloping and completely intoxicating. Mina closed her eyes, trying to ignore how her own scent was arousing her even more.
I have to do something. I can't stay like this for the rest of class.
She already knew her body. She had touched herself before, in the privacy of her room, late at night when she couldn't sleep and needed to release tension. But she had never felt like this. She had never been so desperate, so completely consumed by pure physical desire.
Am I really going to do this here? In the school bathroom while everyone is out there?
The answer came when she felt another wave of heat pulse through her body from her center outward. She didn't have a real choice. She wasn't going to be able to concentrate on absolutely anything else until she took care of this.
"Okay. Okay, let's do this fast," she told herself, trying to sound determined and not completely desperate.
She lowered her underwear slowly, letting it fall to her ankles. The cold bathroom air brushed her damp skin, and she had to grit her teeth hard to keep from making a sound. She lifted her skirt with one hand, looking at her own crotch with absolute shame.
She was completely drenched. The liquid wasn't just covering her entrance but was actively dripping down her inner thighs, leaving shiny trails over her pink skin. But what really caught her attention was the string of transparent viscosity connecting her entrance to the soaked fabric of her fallen underwear.
Oh God. Look at that.
The thread stretched and swayed slightly with every small movement she made, glistening under the fluorescent light like liquid crystal. It was obscene. It was shameful. And it was incredibly arousing to see physical evidence of how much all of this was affecting her.
"This is so embarrassing," she whispered to herself.
But it was also undeniably exciting in a way she couldn't fully explain.
Mina pressed the palm of her hand against her wet center, applying firm pressure that forced a muffled moan she had to swallow. The substance acted as the perfect lubricant, allowing her fingers to slide without the slightest resistance.
Oh God. Oh God, it feels so good.
She began to move with a steady rhythm, using the base of her palm to rub her clitoris while her fingers explored further down. The pleasure built quickly, much faster than she expected. Her free hand sought her mouth, biting down on it to silence the sounds that threatened to escape.
I can't make noise. I can't. But it feels so damn good.
"Ah... mhh..." the moans escaped despite her best efforts to contain them.
Mina increased the speed, her fingers working with growing urgency. The slippery substance covered her entire hand now, making every movement effortless. She felt it pooling between her fingers, dripping onto her thighs, and making obscenely wet sounds with every motion.
So close. I'm so close already.
Her mind conjured erotic images without her permission.
The pressure in her lower belly became almost unbearable. Her hips began to move on their own, seeking more friction, more pressure, more of everything. The wet sound of her movements filled the stall, mixing with her ragged, desperate breathing.
More. I need more. This isn't enough.
Mina pushed two fingers inside herself, moaning at the sensation of fullness. Her Quirk's natural lubricant made everything incredibly easy. But it still wasn't enough to satisfy the burning need inside her.
Why does it feel so different this time? Why do I need more?
Her eyes fell on her briefcase leaning against the stall wall. Specifically, on the cylindrical stainless steel thermos sticking out slightly from the opening. It was smooth, it was firm, and it was considerably thicker than her fingers.
No. I can't. That would be too much.
But her hand was already reaching for it almost by instinct.
"This is a bad idea," she whispered as she pulled it out with trembling hands. "This is definitely a very bad idea."
The thermos was cold against her hot skin. Cylindrical, smooth, perfectly solid. Mina watched it for a long moment, her mind processing what she was about to do.
I am really about to do this with my water thermos. In the school bathroom. During a training break.
The rational part of her brain was screaming at her to stop. The needy and desperate part of her body had completely different priorities.
She swiped the thermos over her soaked entrance, coating it completely with the natural lubricant her Quirk continued to produce in ridiculous amounts. The cold metal against her hot skin made her gasp. The slippery substance allowed the thermos to slide in easily, without any uncomfortable friction.
"Okay. Okay, I can do this," she said to herself, trying to be convincing.
She pressed the rounded tip of the thermos against her entrance, applying slow but steady pressure. The stretching sensation was completely different from using her fingers.
"Ah... oh God..." she moaned softly as the thermos slid inside her inch by inch.
Her Quirk's lubricant made everything possible. There was no pain, only an overwhelming sense of fullness that made her legs shake. Mina had to lean against the stall wall with one hand to keep her balance while the other guided the thermos deeper.
So full. I feel so full.
She began to move it slowly, pulling it out almost completely before pushing it back in. Each movement drew out small moans that she had to bite back. The wet sound was obscene, resonating in the enclosed space of the stall.
"Mhh... ah... it feels..." she couldn't complete the sentence coherently.
She increased the pace gradually, fucking herself with the thermos while her free hand found her swollen clitoris. The double stimulation made her see stars behind her closed eyelids.
This is. This is incredible.
But something was still missing. Something else her body desperately needed.
Her nipples. They were so hard they hurt, pressed against the fabric of her shirt without the bra to protect them. Mina momentarily withdrew her hand from her clitoris and brought it to her chest, squeezing one of her breasts through the shirt.
It's not enough. I need to feel it directly.
She unbuttoned her shirt with clumsy, desperate fingers, exposing her breasts to the cold bathroom air. Her pink nipples were visibly swollen, begging for the attention she had been denying them.
Mina pinched one with fingers coated in her own lubricant, and the sensation made her gasp audibly. The substance made them incredibly sensitive; every touch felt amplified a thousand times.
Can I...? Could I really...?
She leaned forward, arching her back enough to bring one of her nipples to her own mouth. Her tongue reached it first, tasting the fruity flavor of her own lubricant mixed with her skin. Then she closed her lips around it and sucked.
"Mhhh!" the moan was muffled against her own chest.
The sensation was electric. Her fingers kept moving the thermos inside her while her mouth worked her nipple, sucking and nibbling gently. Pleasure came from multiple directions simultaneously, overwhelming her nervous system.
Her hips were moving on their own now, matching the rhythm of the thermos while she sucked her own nipple with growing desperation. Her free hand returned to her clitoris, rubbing fast circles that pushed her closer and closer to the edge.
I'm going to... I'm going to...
Her fingers found that perfect spot inside her while the thermos pressed at just the right angle. The constant pressure on her clitoris, the suction of her mouth on her nipple... everything converged into a singular point of devastating pleasure.
"Mhhhmmm!" she moaned against her own chest as her orgasm hit her like a tsunami.
Waves of pleasure pulsed through her entire body, making her legs tremble violently. She had to clench her teeth around her nipple to keep from screaming. Her internal walls contracted rhythmically around the thermos, squeezing it tightly as her body shuddered.
The pleasure went on and on, much more intense and prolonged than anything she had experienced before. Her Quirk responded to her orgasm by producing a new wave of fruity lubricant, which dripped copiously down her thighs and the thermos still buried inside her.
Oh God. Oh, yes...
Finally, after what felt like an eternity, the waves began to subside. Mina released her nipple from her mouth with a wet sound, breathing heavily. She withdrew the thermos slowly, moaning at the sense of emptiness it left behind.
She stood there for a long moment, leaning against the stall wall, trying to regain control of her body. Sweat mixed with her natural lubricant covered her skin, making her shimmer under the bathroom light. Her chest rose and fell with deep breaths as she processed what she had just done.
I just masturbated in the school bathroom with my thermos. I fucked myself with my thermos while sucking my own nipple.
The realization hit her with full force, bringing a massive wave of shame mixed with a completely satisfied residual pleasure.
"I'm terrible," she whispered, though she couldn't help but smile slightly. "I'm absolutely terrible."
Mina looked at the thermos in her hand. It was completely covered in her lubricant, glistening under the light. The fruity aroma was overwhelming now, filling the entire stall with that sweet smell of peaches and something tropical.
I'm going to have to wash this really well before I use it for water again.
The thought made her laugh hysterically.
She finally forced herself to move, even though her legs were still shaking. She used toilet paper to clean the thermos first, then began working on her own body. There was a lot to clean. Lubricant covered her thighs, her hands, her fingers; there were even spots on her chest where it had dripped.
But as she cleaned, she noticed something interesting. The substance didn't absorb into the paper like a normal liquid. It stayed tacky and elastic, forming threads when she tried to pull it away from her skin.
My Quirk really produced this. A completely new evolution or adaptation.
Experimentally, she touched other parts of her body with fingers still coated in lube. Her stomach. Her sides. The lower curve of her breasts. Every place she touched became instantly hypersensitive, receptive to the slightest brush.
Her hardened nipples reacted especially strongly when she touched them again. A spark of pleasure shot up her spine, making her gasp softly.
Interesting.
"Can I control this?" she wondered aloud. "Can I produce this whenever I want?"
She tried to concentrate, to activate her Quirk consciously. For a moment, nothing happened. Then she felt the familiar tingling in her pores. The substance began to well up again, coating her fingers in a new layer of the fruity lubricant.
"I can control it," she murmured with genuine awe. "I really can control it."
The implications were huge. Her Quirk had always been defensive, producing acid to damage enemies or to slide quickly. But this was completely different. This was something she could use in ways she had never considered before.
Not for hero combat, obviously. But for other things...
Her mind conjured images that made her face heat up intensely.
"No. I'm not going to think about that now," she said firmly, shaking her head.
She finally finished cleaning up the best she could. She pulled her underwear back up, feeling it damp against her still-sensitive skin. She straightened her skirt and buttoned her shirt with fingers that still trembled slightly. The bra stayed in her briefcase. There was no way she could stand putting it on now with her nipples still so sensitive.
Breathe. Act normal. No one has to know what happened here.
She opened the stall door and headed to the sink. Her reflection in the mirror showed exactly what she expected: completely flushed cheeks, bright and slightly unfocused eyes, and hair messy in several places. She looked exactly like someone who had just had an intense orgasm.
"Perfect. Simply perfect," she muttered sarcastically as she turned on the faucet.
She washed her hands thoroughly with soap, scrubbing between her fingers to remove any trace of the substance. Then she washed the thermos with equal care, making sure not a single drop of lubricant remained. The fruity scent was still noticeable in the air, but she hoped it wasn't as obvious to others as it was to her.
She splashed her face with cold water, trying to reduce the flush in her cheeks. She combed her hair with her fingers until it looked presentable. She adjusted her shirt several times, making sure it wasn't obvious that she wasn't wearing a bra.
While she was drying her hands, she heard All Might's amplified voice announcing that the break was over. The next match was about to begin.
Time to go back and pretend everything is perfectly normal. As if I didn't just discover my Quirk produces natural lube. As if I didn't just masturbate with my thermos. As if I were a normal, responsible student.
Mina took a deep, long breath. She tucked the clean thermos back into her briefcase. She fixed her hair one last time in the mirror. She practiced her casual smile until it looked convincing.
"You can do this. Just act normal. No one is going to notice anything different."
She opened the bathroom door and walked out with her head held high, heading back toward the observation room where the rest of the class was waiting.
No one had to know what had just happened in that stall. No one had to know that she had just discovered a completely new application for her abilities.
******
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