No one gets attacked by a villain and comes back the same. No one.

You noticed it and was surprised how Izuku hadn't. The way Bakugo would wipe his mouth to reassure himself that there was nothing covering it, the way he would sometimes take a random deep breath despite appearing ok and more. All habits you had started to notice after seeing he was attacked by the Sludge Villain on the news. You went to Junior High with Bakugo and Midoriya, so you knew these habits were new.

It doesn't help when you sometimes hear heavy breathing coming from your next door neighbour in the UA dorms. After his kidnapping now mixing with the previous incident, it was only questionable what was truly going on through the young boys mind.