IZUKU MIDORIYA:
You stole one of his many All Might figurines, which only took him 5 minutes to realise, ruining all the fun as he asked for it back but instead you made him chase you around the dorm building to get it back.
KATSUKI BAKUGO:
You steal his favourite hoodie, and gets really mad at you, insisting you give it back but you refuse, being stubborn. So instead he buys you the exact same hoodie, hoping to trade but you deny saying it's not the same, so he leaves you with it and some days you go out matching; what he won't admit is that he finds you adorable in his clothes.
SHOTO TODOROKI:
The kettle- JKJK; you steal his heart, from the first time he saw you at the dinner event, he always knew you were special and wanted to get close to you, and he is so glad he has as after many, many years of him thinking he would be stuck in the friend zone he gained the courage to ask you out, which you happily accepted.
EIJIRO KIRISHIMA:
You steal his pet rock from your door room and bring it back to yours; when he next visits he realises you have it.
"Why do you have my pet rock?"
"I wanted something to remind me of you, and well, it looks just like you" I laugh.
He comes close and hugs me "You don't need that, you've got the real deal right here"
DENKI KAMINARI:
You steal his first kiss; Denki likes to act like he has tons of experience with his friends but when it comes to you he's like an open book, he told you right after he kissed you, it was his first and you told him not to worry as it was also your first. He's glad you took each others first kiss.
HANTA SERO:
You steal his spiderman movies, which meant that he had to bribe you with a movie marathon with cuddles and snacks in order to get that back, which you easily accepted, leading to a night full of laughter, love and memories which wouldn't be forgotten in a lifetime made.
TENYA IIDA:
You steal his orange juice, he then lectures you about how you shouldn't have done that as he needs it for his quirk and for when he does training later. So in order to make it up to him, you use your quirk and put it to 50% asking for 5 bottles of orange juice to turn up at the door to his room, you open up the door and there is only 3 because you didn't use 100%, but you give it to him as an apology which he accepts.
NEITO MONOMA:
You steal and put on his hero costume while he is in the bathroom, and because he likes to take his sweet god damn time scrolling through his phone instead of actually using the bathroom for it's actually use, hen he comes out you scare him as you hide behind the door; first he screams really high pitch but then just stands there and admires how cute you look in his costume, which is way too big for you (sorry if you're taller than him :/)
TETSUTETSU TETSUTETSU:
It was a daily occurrence where you would steal Tetsutetsu's phone and take a billion mugshots on it, which he would never delete as he loves to stare and admire them all, he's even brought more storage for his phone in order to have and backup that many photos.
DABI:
You steal Dabi's fake chain because he is a wannabe e-boy and tries to be edgy which just makes you laugh because when you two are in private he is one of the sweetest people you've ever met.
TOMURA SHIGARAKI:
You steal his father, yes you heard me right, his father; you take the hand off his face and go and hide it, in the hopes he won't put it back on, because although it has extreme sentimental value to him, it kinda scares you. After he finds out he tries to have the hands on less around you.
ENDEAVOR:
After getting into a petty argument with Endeavor, you steal his credit card and shop for everything that you see that you actually want. When his credit card bill came in he was furious, it's not like he couldn't afford it though.
AIZAWA:
You steal Aizawa's sleeping bag in the hopes he would join you in it, instead of that, when he walks in and sees you in it, he goes into the cupboard and grabs another one, an exact replica, getting in it and going to sleep.
Mission Failed, we'll get em next time.
