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Tiny Temptations: Izuku's Shrinking Shenanigans

### Chapter One: A Tiny Mishap with Major Cheeks

The common area of the U.A. dormitories was a sanctuary of chaos and comfort, a place where future heroes could unwind after grueling training sessions. Today, it was unusually quiet, save for the soft snores of Izuku Midoriya, who had collapsed onto the plush couch after a particularly brutal day of hero drills. His green curls were a mess, his hero costume half-unzipped, and his body utterly spent. He didn’t even notice when a stray quirk—likely a side effect from one of his classmates’ training mishaps—tingled through the air, enveloping him in a faint shimmer.

In the blink of an eye, Izuku’s body shrank down to the size of a Lego figure, no taller than a couple of inches. His tiny form lay sprawled on the couch cushion, completely unaware of the bizarre transformation as he slumbered on.

Enter Kyoka Jiro, Izuku’s first girlfriend, strutting into the room with the kind of confidence that could stop a villain in their tracks. Her long, baggy yellow tank-top hung off one shoulder, teasing just a hint of her toned midriff, while her tight black shorts hugged every curve like a second skin. A flash of purple lace peeked out from the waistband, a cheeky secret that would’ve sent any onlooker’s heart into overdrive. Her earphone jacks swayed with each step, and her sharp violet eyes scanned the room for something to occupy her lazy afternoon.

“Man, I deserve a break,” she muttered to herself, tossing her phone onto the coffee table. “If I have to hear one more lecture about ‘hero responsibility,’ I’m gonna plug my jacks into someone’s eardrums and crank the volume to eleven.”

Unaware of the miniature Izuku nestled into the couch, Kyoka plopped down with a dramatic sigh, her curvy backside landing directly on top of him. The sudden pressure jolted Izuku awake, his tiny eyes widening in horror—and a shameful flicker of thrill—as he found himself squished beneath her warmth. His face burned hotter than a supernova, his mind racing with a chaotic mix of embarrassment and guilty enjoyment.

“Oh, wow,” Kyoka mused aloud, shifting slightly as she grabbed the remote. “This couch feels... weirdly soft today. Did someone swap out the cushions or something?” She wiggled a bit, trying to get comfortable, completely oblivious to the tiny hero trapped beneath her. Each movement sent a jolt through Izuku’s tiny frame, his muffled squeaks of protest lost in the fabric.

“D-Deku, focus!” he whispered to himself, though his voice was barely a squeak. “This is... this is fine. It’s just Kyoka. My girlfriend. My very... uh, heavy girlfriend right now. Oh god, don’t think about that!”

Kyoka flicked on the TV, settling into a random music channel as she leaned back, her weight pressing Izuku even deeper into the cushion. “Hmm, maybe I should text Deku to come hang out,” she said, tapping her chin with a smirk. “Bet I could convince him to give me a foot massage. Poor guy’s so easy to tease—he’d probably blush just thinking about touching my ankles.”

Izuku, still trapped, could only whimper internally. “She’s... she’s not wrong, but I’m literally under her right now! How do I even explain this?!”

After a few torturous minutes of shifting and casual commentary about how “comfy” the couch was, Kyoka finally stood up, stretching her arms over her head with a yawn. “Eh, I’ll just chill in my room. Maybe blast some tunes and see if Deku’s around.” She sauntered off, leaving Izuku gasping for air on the cushion, his tiny chest heaving as he tried to process what just happened.

“That... that was too much,” he wheezed, his face still crimson. “I mean, it’s Kyoka, and she’s amazing, but I—I didn’t sign up for... for that kind of close contact! I gotta figure out how to reverse this quirk before—”

His panicked thoughts were cut short by the sound of heavy, purposeful footsteps approaching. Izuku’s tiny head whipped around just in time to see Momo Yaoyorozu, his second girlfriend, stride into the room. Her long, dark hair cascaded over her shoulders, free from its usual ponytail, and she wore a loose white t-shirt that did little to hide her athletic frame. Her skin-tight black sports pants were practically painted on, the outline of a daring red thong visible beneath the fabric—a detail that made Izuku’s tiny heart nearly explode.

“Oh, perfect timing,” Momo said to herself, her voice carrying that natural authority that made everyone in Class 1-A listen up. “A quick break before I dive into more study materials. This couch looks inviting enough.” She adjusted her hair with a flick of her wrist, her sharp eyes scanning the room for any sign of company.

Izuku, still sprawled helplessly on the cushion, flailed his tiny arms in a futile attempt to signal her. “Momo, no! Wait! I’m down here! Don’t—!”

Too late. With a graceful but firm motion, Momo sat down, her weight pinning Izuku beneath her once more. His tiny body was engulfed in warmth again, his face pressed into the fabric as he struggled to keep his composure. Momo, completely unaware, shifted slightly, her brow furrowing as she muttered, “How peculiar. This cushion feels... oddly soft. Perhaps it’s new?”

Izuku’s mind was a whirlwind of embarrassment and heat. “Not again! Momo, you’re amazing, but this is—oh man, this is too much! I can’t even—her... her everything is just—focus, Deku, focus!”

Momo crossed her legs, wiggling a bit to get comfortable, each movement sending Izuku into a deeper spiral of flustered panic. “I suppose I could take a moment to relax,” she said, her tone cool but laced with a subtle warmth. “Though, if Izuku were here, I’d probably drag him into a study session. He’s so adorably dedicated, isn’t he? Always blushing when I give him even the slightest bit of attention.” She chuckled softly, a rare playful edge to her voice. “I wonder how red he’d get if I told him how much I enjoy teasing him.”

Izuku, still trapped, could only squeak inaudibly. “She’s... she’s talking about me! While I’m... oh no, this is torture! The best kind of torture, but still torture!”

Just as Izuku thought he might combust from sheer embarrassment, Momo’s phone buzzed on the coffee table. She leaned forward to grab it, momentarily relieving the pressure on Izuku—though not before he felt himself accidentally wedged somewhere even more precarious. His tiny body was now lodged between her cheeks, held in place as Momo stood up, completely unaware of her tiny passenger.

“Hmm, a text from Kyoka,” Momo said, her voice crisp as she read the message. “She wants me to meet her in her room. Something about a ‘plan’ to surprise Izuku. Well, I’m intrigued. Let’s see what she’s scheming.” With a confident stride, she headed toward the hallway, Izuku clinging helplessly as his mind raced with a mix of dread and anticipation.

“This... this can’t get any worse,” he muttered to himself, though a tiny, shameful part of him couldn’t help but wonder what kind of “surprise” awaited him in Kyoka’s room. “Or... maybe it can. Oh no.”

As Momo’s footsteps echoed down the hall, Izuku’s tiny form remained trapped, setting the stage for an encounter that promised to be even steamier—and far more complicated—than he could ever imagine.

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