Deku being possessive over the angry pomeranian will always have a special place in my heart. When he does small growls at the Bakusquad for being too close or when he's sparring with someone else and they touch him or if they look at him in the locker room and ESPECIALLY when Denki calls him Kacchan...
(Besides that sh*t is canon lol)
And you know Bakugou gets hot and bothered by it, so he does it on purpose sometimes like...
He'll wear tight fitting clothes when the class goes out or hanging out in the dorms
When doing stretches, he makes a big show of it and show that he is VERY flexible
Or maybe he drinks something and waste it on his shirt so his boobs will look nice and wet
Because he knows when everyone has gone to bed, he will be getting a "Detroit Smashing" till the sun comes up