Bakugou

You and Bakugo are boyfriends, he was sometimes possessive and jealous when a boy approaches you, or when you talk to someone
One day you were shopping and he was carrying your purchases since he had offered and a boy approaches you and gives you a hint, Bakugo noticed and with his free hand he grabs your waist and says to the boy
"Find another one, she's already mine"
the boy leaves quickly

You're about to leave and Bakugo sees you getting ready and says:
"and you walk like this, idiot"*