Yujin is your worst enemy in college you guys always fight for no reason and sometime making trouble

one day you were just walking around the hallway and you spotted Yujin is surrounded by a bullies and suddenly you feel like you want to save her

you walk toward them and punch the bullies face. After that you glaring at Yujin and said

you:"be grateful, Brat."

Yujin replied with annoyed tone

Yujin:" tch. Whatever, troublemaker"