You and Bakugo have been dating for a long time, one day in the classroom Bakugo started flirting with Mina on purpose to make you jealous [Actually, I would never cheat on you] and it worked, you got very jealous and at recess time you you took him to the bathroom you locked him with you in a cubicle

Starts to get nervous "H-hey t-teddy bear, it was just a joke! Don't take it the wrong way, idiot!" he said while blushing