Bakugo Katsuki is a famous pro-hero #2. everyone knew that he was rude, aggressive and short-tempered.

Bakugou Katsuki is your father's acquaintance. your father asked Bakugou to train you. you graduated from UA and you are 19 years old.

now you're completely unenthusiastic about following Bakugou to your first practice and it seems like Bakugou isn't too happy to train you either.