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The Mystery of Hitoshi Shinsou

Summary:

If anyone knows about UA’s local cryptid, it would be the infamous class 1A, but even they have little to no clue about who he is. The clues the teachers gave them are vague at best and none-existent at worst. All they know is that he works with the teachers, he’s an analyst, and that he aided in the USJ incident, saving all of their asses. So yeah, they know Cheat Code, yet know absolutely nothing about the man.

And then they have Hitoshi Shinsou, yet another mystery class 1A can’t solve.

Or

3 times Shinsou messes with class 1A, whether it's on purpose or by accident, 1 time Cheat Code joins in the fun

Notes:

SO uhh...back 3 months later and this fic has 8k+ Hits and a bunch of kudos?? I'm flattered, never have i expected this but thanks! I hope you all enjoy this fic, the comments sure does. Anyways, i'll let you read the dic in peace. Enjoy!!

Work Text:

If anyone knows about UA’s local cryptid, it would be the infamous class 1A, but even they have little to no clue about who he is. The clues the teachers gave them are vague at best and none-existent at worst. All they know is that he works with the teachers, he’s an analyst, and that he aided in the USJ incident, saving all of their asses. So yeah, they know Cheat Code, yet know absolutely nothing about the man. 

And then they have Hitoshi Shinsou, yet another mystery class 1A can’t solve.

He’s the newest addition to their class but he doesn’t really interact with any of them, he often just runs off to hang out with those weird support course students of all people. Another thing about him is that nobody knows how his quirk works. They know it’s brainwashing which is overpowered on it’s own but they have little to no idea how it’s activated. Which just makes the quirk broken. They brainstormed ideas from eye contact to answering riddles but none of them seem to be correct.

The student in question himself isn’t helping.

“Hey Shinsou, now that you’re in the hero course, mind telling us how your quirk works?” Kaminari said the first day Shinsou sat himself in their class. The others quieted down instantly, turning to the purple haired boy with curious looks etched into their faces, or in Bakugou’s case, murderous glares. They’ve been questioning the exact same thing ever since he completely obliterated them in the sports festival. Shinsou stayed quiet with a thoughtful look on his face before giving everyone a shit eating grin.

“Wouldn’t you like to know weather boy,”

Before pandemonium could erupt, the school bell rings and signals the start of homeroom. Aizawa appeared from his sleeping bag on the floor and instructed everyone to calm down. Everyone took nervous glances towards the boy only to see him give the most smug and satisfied grin one could make that looks oddly similar to Aizawa sensei’s. 

Little did everyone know, this wouldn’t be the last time Hitoshi Shinsou would mess with them. Whether it's by accident or on purpose.

 


 

It was a study hall after lunch when it happened. Shinsou disappeared to join the support course students, which is normal, it’s what he came back with that got the class to question him once again. He slumped into his chair with a notebook and started scribbling, Kirishima just happened to pass by his desk on his way to the infamous Bakusquad and took a quick glance at the notebook and stopped right in his tracks.

“Shinbro, you know Cheat Code?” The question was loud enough to have everyone stop doing whatever they were doing and snap their gazes towards the two. Two seconds later, everyone was crowding around Shinsou’s desk, trying to get a look into the notebook.

The page that got everyone’s attention was a page filled to the brim with variants of Cheat Code’s signature logo including the final design that was present when he gave the class a short analysis of everyone’s quirk. There were small notes that seem to belong to three different people judging by the different handwriting. Complete with different ideas and feedback like colour suggestions and fonts. The page right next to it just has a bit of friendly teasing and doodles of- is that a sketch for a capture weapon and some sort of mask?

They got a brief look on the other pages, also filled with sketches and doodles for various support items, so it belongs to a support course student? That was when Shinsou swiped the notebook from Uraraka’s hands. “Hey! Didn’t anyone tell you about privacy?” They didn’t miss the irritated tone in his voice but some ignored it in favor of bombarding him questions about the cryptid.

“So what if I know Cheat Code? It could just be some random doodles my friends made about him for all you know,” It was silent for a moment before Todoroki, of all people decided to speak up. “What about how one of the notes says ‘this would help our baby for sure!’ and ‘phrasing!’” “didn’t it also say ‘but Shinsou-kun IS our baby remember?’, mind spilling the tea?” Ashido finished, everyone nodded along.

So Shinsou is panicking, he wasn’t expecting the whole class to find out about his knowledge on the cryptid. He tried to come up with excuses but it doesn’t help the fact that from the way Todoroki was talking, he’s implying that he, Hitoshi Shinsou, is Cheat Code’s kid. His friend’s son. Stupid Mei and Stupid Izuku for their stupid notes. He doesn’t know how he was so calm when Mei first brought it up at the sports festival, probably because he was already so nervous or that everyone was too busy trying to find a team to focus on them, so it isn’t that surprising that he ended up being an odd shade of red while sputtering various excuses. It also doesn’t help that Todoroki rubs his chin, giving him a thoughtful look.

“Are you Cheat Code’s secret child?”

Because he hasn’t recovered from earlier, he blurts out the first thing that comes to mind. “Yes- no! Wait what-” God fucking darn it. Stupid Shinsou and your stupid social skills. He facepalmed and resisted the urge to slam his head against his desk. Todoroki seemed satisfied with the answer while the others were content with just shouting stuff that Shinsou didn’t bother to listen to, Bakugou in particular was fine with shouting every curse word in the history of curse words. Thank god that Aizawa decided to step in and glare at the class to quiet them down, Aizawa is officially his favourite teacher.

God, he really needs coffee after this.

 


 

After that little mishap, someone would occasionally ask Shinsou about Cheat Code even though he insists that he’s not related to him, only to be met with unconvinced looks. Sometimes someone would go asking yet again about his mystery mind control quirk, they always end up empty handed about that though. He talked to Izuku and Mei about what happened, both ended up laughing, at least Izuku was trying to hide it, Mei was straight up rolling on the ground. Because of that and how frequently the class asks about Cheat Code, he finally decided to just roll with it, there’s no convincing this hell class. He’s Cheat Code’s son.

As Present Mic was teaching them more about grammar, Principal Nedzu decided to show up. Shinsou doesn’t really know when or where the principal came from, he swears that the principal is as much of a cryptid as Cheat Code. He’s heard horror stories from the other students and funny moments from Izuku. He knows enough to know that Izuku finds Principal Nedzu as something akin to a father figure, does that mean the principal is his grandpa or something like that? 

Anyways, Shinsou was lost in his thoughts, he didn’t even notice the fact that the principal was approaching him. “How is your transfer going, Shinsou?” That snapped him out of his thoughts, “I-it’s going great, grandpa…” GOD FUCKING DARN IT-

Yet again, Shinsou turned into an odd shade of red. The class, including Present Mic, were left speechless. Nedzu, however, gave him a grin that looked too big on his animal face for it to look right, giving Shinsou shivers before cackling, nothing too loud or long but it somehow sent another wave of shivers down his back and judging from how everyone else looks, everyone else got it too. "I'm glad that it's going well, tell Cheat Code I said hi, I know he's been rather busy," after that, he disappeared. Of course he knows about that mishap, the principal knows about everything, and of course he's playing along with it, Principal Nedzu is an agent of chaos and he's probably cackling his furry tail off in his office right about now.

The silence stretches until what feels like a few hours after the principal took his leave, only to be met with everyone freaking out. Bakugou was being Bakugou and came up to him and asked what the fuck was that about with typical Bakugou fashion, which is a lot of curse words and yelling. Todoroki was being his usual conspiracy theorist self and is probably connecting none existent dots as he rubbed his chin, Shinsou swears he heard a soft "interesting..." from him. He also swears that he heard Tokoyami saying something about a mad banquet of darkness, whatever that meant. Everyone else with the exception of Kouda, Shouji, Yaoyorozu, Iida, and Ojiro were throwing questions at him along with Present Mic trying and failing to calm everyone down.

He knows for a fact that both Principal Nedzu and Izuku are watching this and there's no doubt that both are cackling maniacally and laughing hysterically. Maybe that blackmail would actually come in handy, on Izuku he means, there's no way in heaven and hell that he'll blackmail the principal.

This was going to be a long day.

 


 

It was a few days since that last mishap happened and he already filled Izuku and Mei in, yet again met with laughter. Izuku told them how Nedzu had granted him access to the school speakers so he could do announcements now, he doubts he'll be able to do any in the near future but it's good to know. Even Mei has something to share as she's close to finishing a few of her babies, one of which is for Shinsou, despite him already getting his support items, guess Mei has a few more ideas for him.

He was in the middle of ranting about how the class keeps asking about Cheat Code and about his quirk when Mei had the brilliant idea to prank the class.

"I swear, we're only at lunch now and three different people have asked about my quirk, three!" He says before getting another bite of Lunch Rush's food. Izuku nodded along as he ate a box of Katsudon.

"Why don't we mess with them? They've been bothering you this whole time, it's about time you get back at them for getting into your business," Mei suggested as she worked with one of her babies.

"Pfft, and how can I do that?" Hitoshi said, Mei looked thoughtful as she paused her tinkering, suddenly, as if a light bulb appeared and lit up above her head, she gave the two a maniacal grin before gesturing them to lean closer.

"So Hacker-kun, didn't you say something about the school speakers?"

Hitoshi swears that the two can read each other's mind because a large grin made its way on Izuku's face. Now he's roped into his kidnapper's plan to prank his own class, if he was both thrilled and terrified of doing it, nobody would notice.

 

It was another study hall, Denki was still a bit frustrated about Shinsou's quirk and he knows a lot of his classmates are too. Iida and YaoMomo have been telling everyone to leave Shinsou alone but he knows that they're also curious. Maybe if he asked Shinsou a bunch of times he'll get annoyed and finally spill his quirk activation requirement. So here he is with the rest of the Bakusquad sans Bakugou, going up to Shinsou yet again to ask that all too familiar question.

"Hey, so… mind telling us how your quirk is activated now?" He asked, Shinsou looked unimpressed.

"Come on, pretty please?" Mina pleaded.

"We'll promise to get off your back," Sero added.

"We'll even stop asking about your dad- I mean Cheat Code, yeah!" Eijirou said.

Shinsou sighed, and looked up to them from his notes. Denki barely missed the way his lips quirked up. "Let me ask dad," wait what? He looked around, only to see confusion on his friends' faces. He also noticed how others are starting to pay attention to them. Suddenly, the speakers in their class turned on and a familiar voice spoke through.

"No, Hitoshi,"

That was all, two words, from the infamous Cheat Code. The whole class was silent, Shinsou gave them all a shit eating grin, "He said no," the way he said it was like he was trying his best not to laugh. 

Then the room exploded. 

Shinsou was trying not to roll over from laughing, Todoroki stood up and slammed his hands on his desk saying "I knew it!", Bakugou just looked thoroughly confused before exploding himself, both metaphorically and literally, He heard a "revelry in the dark," from Tokoyami, Iida and YaoMomo are trying to calm the class down, the Bakusquad is freaking out on the floor, the rest of the class is giving their own reaction, Denki himself is freaking out over it. This has been a weird day, hell, it's been a weird month overall.

So yeah, Hitoshi Shinsou is a mystery, some could even say he's a cryptid himself. From his overall aloof and mysterious demeanor, the way that nobody knows how his quirk works, he's the son of another cryptid, Cheat Code and apparently the grandson of the principal who's also arguably another cryptid. Maybe Denki should just stop asking him and leave him be, maybe that would be the best.

Little does everyone in class 1A know, Izuku, Mei, and Nedzu are watching from the cameras, laughing at the class's reaction, and if Izuku had saved the footage for good memories, nobody but the trio and possibly Nedzu would know.