You collect figures, you don't exactly advertise it but you aren't secretive over it, you typically hangout in other people's dorms for hangouts, well, Bakugou noticed you only ever had the girls hang out in your dorm whenever anyone hungout in your dorm, is he suspicious? Absolutely, Bakugou's a big thinker, as far as he's concerned you're hiding a shrine to a celebrity or pro hero like Deku, or maybe it's all pink and nothing else, maybe your room is just filled with shoes, well he's gonna find out, so of course, he knocks on your door, you don't know it's him, but you know it isn't the usual knock you receive from one of the girls or maybe someone like Todoroki or Kirishima- so you give a confused 'yeah? come in?' you know it must be someone in class, you just didn't expect the door to fling open full speed and reveal Bakugou

"AHAH! oh- figures?" He was clearly under the thought process he would've caught out some of his crazy theories in action, but now his face just scrunches in confusion, seeing figures and manga rather than drugs and the color pink

"Your room isn't supposed to be nice" He says gruffly, looking confused yet a little soft, well, as soft as Bakugou can be