The Jiggle Jump Scare
Bakugo Katsuki
It happened while you were sparring.
You dodged a blast, pivoted hard—and nearly tripped over your own foot. The jolt from your landing sent a visible jiggle through your chest. Time paused for a second. Your breathing hitched. Bakugo, standing just a few feet away, had clearly noticed.
His eyes widened—just for a blink. Then:
“Oi.” You turned. “What?” Bakugo was already glaring, face pink like a whole sunset. “Tch—what the hell was that?” “What was what?” you teased, innocently wiping sweat from your brow. “You know what!” he barked, pointing without looking directly at you. “Your—your shit was bouncing all over the damn place! You tryna get someone killed out here?!”
You grinned. “Aw, Bakugo… were you watching?” “I WASN’T WATCHING, DUMBASS!”
He stormed off, swearing under his breath and absolutely not making eye contact for the rest of training.
(…but you did catch him peeking again later.)
Todoroki Shoto
You were running drills outside, sun high and blazing. You’d just landed from a jump, laughing with momentum— —and that laugh shook everything.
Including, very noticeably, your chest.
Todoroki caught it mid-turn. He stopped moving. Just stood there, blinking slowly like his internal software needed a reboot.
“…Did… that happen because of the jump?” You tilted your head. “What?” He pointed subtly. Too subtly. “Your, um…” He looked up at the sky, anywhere but your torso. “They… moved.” You snorted. “You mean my boobs bounced?” His ears turned pink immediately. “I didn’t want to say it like that,” he muttered.
You could see his eyes flick toward your chest, then dart away like it physically pained him. He cleared his throat. “Is that normal?” “Yeah, it’s gravity. You ever heard of it?” “…I have. I just didn’t know it applied that much to, um… you.”
You bit your lip to keep from laughing. “Shoto, are you okay?” He nodded. Then paused. “I will be. I just need… a minute. Maybe several.”
He wandered away like he needed to meditate under a waterfall.
Midoriya Izuku (Deku)
You were jogging beside him during a warm-up. Light banter, casual conversation—until you tripped on uneven pavement. He caught your arm, steadying you just as you stumbled into him. Your chest bounced against your momentum, and bam—the jiggle happened. Right in his peripheral.
And oh no. He saw everything.
He froze like someone pressed pause. You looked up at him. “Thanks for catching me!” He didn’t respond. His face was glowing red—eyelids twitching like he was fighting for control of his brain.
“Uh—uhhh—n-no problem!” You raised an eyebrow. “Midoriya?” He straightened like he was at a military inspection. “Y-Yep! Yes! Totally fine, absolutely okay!” he blurted, eyes pointed directly at the horizon. “Didn’t see anything!! I mean—I wasn’t looking! I mean—I’m respectful!”
You smirked, leaning just a bit closer. “You sure? Looked like you almost went full-on analysis mode back there.” His knees almost buckled. “N-No! I would never—well, I have studied human anatomy for—N-NOT LIKE THAT! I mean in a purely combat—I mean—"
You giggled. “Relax, Izuku. I’m not mad.” He gulped. “Y-you’re not?” “Nope,” you said, nudging his arm with a flirty smile. “If you wanted to look… you could’ve just asked.”
He combusted. Like, physically short-circuited and squeaked.
“Wha—I—HUH?!”
You walked ahead, hips swaying, calling over your shoulder: “C’mon, Hero. Better keep up.”
He followed you in a daze, whispering, “I think I’m in love…”
Kirishima Eijiro
You were in the gym, goofing off while waiting your turn on the bench press. Kirishima was spotting Denki, watching you from the corner of his eye as you tried to mimic a funny dance move someone had shown you earlier.
One hop, two hops—then that one bounce that sent your chest jiggling.
Denki dropped the bar on his chest.
“BRO—HELP—” “Oh SH—SORRY!” Kirishima scrambled to help, yanking the bar off Denki and practically throwing it back onto the rack. “You okay, man?”
Denki wheezed, “Why’d you space out like that? You were looking at—”
Kirishima slapped a hand over Denki’s mouth. “N-NOTHING! I saw NOTHING!”
You walked over with a grin. “You alright, Red Riot?” He turned to you. Then turned bright red—matching his hair.
“Y-Yeah! Yep! Totally fine! Just, uh… focused on… the structural integrity of your bounce—NO WAIT—I MEAN—form! FORM! Training form!!” You laughed. “Kiri, did my boobs break your brain?” He slapped both hands over his face. “NO! I mean—maybe?!”
You leaned in close, teasing, “You liked it, didn’t you?” He peeked at you between his fingers and mumbled, “I mean… they are super manly... I mean!! YOU’RE manly! Not that—uh—not that I was staring! I just—" You tilted your head, smirking. “Cute,” you whispered, walking off.
He stood frozen, muttering, “I’m gonna die. I’m dying. This is how I die…”
Denki Kaminari
It was something stupid—of course it was.
You were laughing way too hard at something Sero said, doubled over and clutching your stomach. When you came back up, you did a little skip backward to avoid a tossed water bottle— —and the hop sent your chest bouncing, jiggling just right.
Denki bluescreened.
His jaw dropped. His brain sparked. And then… his nose started bleeding.
“OHMYGOD,” he squeaked, slapping both hands over his face. “I’M FINE. I’M GOOD. I SAW NOTHING.” Sero: “Bro, you definitely saw something.” Denki: “SHUT UP, SERO. I’M INNOCENT.” You raised an eyebrow, arms crossed under your chest—just enough to push ‘em up a bit.
“You okay there, Pikachu?” you asked, knowingly. He squealed. Like, actually squealed. “DON’T DO THAT WITH YOUR ARMS!!” You leaned in. “Do what, exactly?” He sparked so hard his hair stood up like a static-charged balloon.
“DO NOT WEAPONIZE THE JIGGLE,” he gasped, clutching his heart. “I WILL DIE. I AM A BOY. A FRAGILE, HORNY BOY.”
You patted his shoulder sweetly. “Noted.” He passed out. Literally. Just tipped back and collapsed in a pile of embarrassment.
Sero Hanta
You and Sero were helping tape off a training course—his specialty. He was walking backward, spooling tape as you jogged to keep up beside him.
You hit a little uneven patch of ground, stumbled slightly—and your chest did that thing.
That perfect bounce.
Sero flinched mid-step. The tape snapped back into his face.
“OW—DAMN IT—” You gasped. “Are you okay?!” He pulled tape off his cheek, blinking at you like he just saw God.
“Y-Yeah… I’m… fine…” he mumbled, looking anywhere but your torso. You tilted your head. “That didn’t look like a tape malfunction. Looked more like—” “I WASN’T LOOKING,” he interrupted way too fast. You smirked. “Didn’t say you were.” He squinted at you. “You knew what you were doing.” “Oh? And what exactly did I do, Sero?”
His mouth opened. Closed. His brain rebooted.
“…Gravity is a menace.”
You leaned in close, just enough to make him gulp. “You want me to jog again?”
He stumbled backward into the course pole. “…Ma’am. I am just a humble tape dispenser. Please.”
You walked away, laughing. He stood there gripping his roll of tape like a lifeline, whispering:
“Don’t fall in love… don’t fall in love… you already fell in love, idiot…”
Shinso Hitoshi
You were both sitting on the floor during patrol prep, stretching out before your shift. Shinso was leaning back on his hands, watching the clouds above you two with that usual sleepy expression.
You reached up in a yawn, arms overhead, chest lifted— —and when you dropped your arms back down with a bounce, your chest followed.
He blinked.
Paused.
You didn’t miss the way his head turned ever so slightly.
“…You good?” you asked, teasing. He didn’t look at you. “I’m fine.” “You sure?” “Completely.” “…You totally looked.”
He finally glanced at you. Calm. Dangerous. Lips curled just slightly. “I’m not blind,” he said. You grinned. “So you admit it?” “I admit that physics is real, and I’m cursed with 20/20 vision.”
You leaned in, whispering, “You like what you saw?” He stared at you. Then smirked. “…You planning to weaponize that on patrol?” “Maybe.”
Shinso tilted his head, voice low and teasing now. “Then I might have to file a complaint. Or maybe a request. For a repeat performance.”
You stared, stunned. He stood up casually, yawning. “C’mon, kitten. Patrol’s waiting.”
You sat there blinking, heart racing, jaw dropped.
“…HE FLIRTED BACK?!!?”
Neito Monoma
You were walking through the hallway, bouncing slightly with each step because your shoes had just a bit too much spring. You didn’t notice it at first, but Monoma definitely did.
He was next to you, mid-rant about Class 1-A as usual, when your chest did one innocent, completely accidental jiggle.
He choked on his own words.
“—and that’s why they’re absolute—WHA—!”
He froze. Eyes wide. Jaw slack.
You stopped. “Uh… Monoma?” He whipped around and stood directly in front of you, arms out like a human privacy screen.
“DO NOT MOVE.” “What?” “THOSE—” he hissed, pointing at your chest like it offended him. “THEY. JIGGLED.” “Yeah?” you said, confused. “So what?” “So what?!” he snapped, turning red. “THEY—PEOPLE—EYES! This school is full of perverts!”
You started laughing, but he was dead serious. He pulled his jacket off and draped it around your chest like a cape.
“There. No one’s looking but me.” You blinked. “But you?” His hands flew up to cup them through the jacket like he was guarding the Crown Jewels. “I’m your protector, your knight, your exclusive licensed boob inspector—” “NEITO!” “FOR SCIENCE!!!”
You shoved him back, blushing and laughing. He stood firm. “I’ll STAND HERE ALL DAY. NO ONE. LOOKS. AT MY QUEEN’S. JIGGLE.”
“…Did you just call me your queen?” He pointed dramatically to the sky. “You were born to rule—and bounce—with pride!!”
Hawks (Keigo Takami)
It was hot. You were in a tank top. And Hawks was absolutely not helping.
You were reaching up to grab something off a shelf, arms stretched—and gravity did what gravity does best. Your chest jiggled, just enough for someone with hawk vision to catch it.
You turned around, item in hand.
Hawks was leaning against the doorframe.
Smirking.
Eyes locked directly on you.
“Damn,” he whistled low. “Didn’t know I needed tickets to that bounce show.”
Your eyes widened.
“W-WHAT?!” He grinned wider, wings flexing just a bit. “Front row seats too. Lucky me.”
You slapped your hands over your chest. “H-Hawks!” He walked in casually, tilting his head. “Aw, don’t get shy now, baby bird. You killed me with that move.” “It wasn’t a move!” “Felt like one.” He leaned in. “But hey, if it wasn’t intentional… that just makes you naturally lethal.”
You squeaked. “I-I’m sorry! I didn’t mean to—like—bounce?? I-I don’t even get why people like that—!”
He blinked, then chuckled softly. “Oh, sweetheart,” he purred, brushing a loose feather off your shoulder. “That kind of innocence? That’s even hotter.”
You practically combusted. “I—I—shut up!” He raised his hands, laughing. “Alright, alright. I’ll stop. For now.”
Then he winked. “But you should really give your boobs some credit. They’ve got wings of their own.”
You covered your face and screamed into your soul.
Tamaki Amajiki
You and Tamaki were paired up for training—something chill. No combat, just passing gear between each other and checking inventory.
He handed you a box. You reached for it with both arms and— jiggle.
Just a little. But he saw. And you saw that he saw.
And he saw that you saw him seeing.
Then you both FROZE.
“U-Um…” you squeaked. Tamaki’s whole face turned pomegranate red. He stared at the wall like it personally offended him. “I—I didn’t— I-I wasn’t—”
“I-it was gravity,” you mumbled, staring at your shoes. “That’s just—how it works…” “I swear I wasn’t trying to look!” he blurted, eyes wide and panicking. “I was just handing the box—! I—I didn’t mean to—I respect you!! A LOT!!”
You waved your hands, frantically. “No no no! It’s okay! I wasn’t mad! I-I just wasn’t expecting the, um—bounce factor!”
He choked on air. You covered your face. He covered his face.
Now you were just standing there like two overheated lobsters, fidgeting, hands flailing.
Then quietly, from behind his hands, Tamaki mumbled:
“…They’re… really cute, though.” You malfunctioned. “W-WHAT?!” “I SAID NOTHING!!” he yelped, teleporting behind a stack of boxes like a coward.
You shouted back, still blushing, “Y-YOU CAN’T JUST SAY THAT AND RUN!!”
“MAYBE I CAN!!” You peeked over the boxes. He was crouched down, hiding his face in his scarf.
You held up the box again. “Do you… still want to finish training?” “…Only if you promise not to bounce anymore…” he whispered.
“I CAN’T PROMISE THAT, TAMAKI, IT’S PHYSICS!!!”
Aizawa Shouta (Eraserhead)
You were doing warm-up stretches before training, bent slightly forward, reaching for your toes. Nothing crazy… until you stood up too quickly.
One step back. One bounce.
Aizawa blinked. Paused. Deadpan locked in.
“…That happen often?” he asked flatly.
You turned to him, confused. “Huh?” He gestured lazily toward your chest with his capture weapon, like it was a passing weather report. “That little earthquake.”
You stared, face heating. “Wh—! I—I didn’t mean to—!” He shrugged. “Didn’t say it was a problem.” “YOU NOTICED?!” “I’m not blind.” You covered your face with both hands. “Oh my god.”
He sighed, sipping coffee. “Relax. You’re not the first person with bounce physics in my class.”
You peeked through your fingers. “Are you—are you judging me?” He looked you dead in the eye. “I’m judging gravity. It betrayed us both.”
You blinked. He sipped. You blinked harder.
“…Did you just make a joke?” He looked away. “Don’t get used to it.”
You were about to respond, but then he muttered under his breath as he walked away:
“…Still a better distraction than Mineta’s face.”
HELLO MY LOVES, POSTED THIS W MY PHONE SO IDK IF IT LOOKS OFF OR WEIRD SO ERM..uh…once i get my laptop back I’ll be editing this and pasting it on my masterlist but as of now idk how to..so..YES
