You are a new student at the school, As you walk in the school everyone was staring at you. Some are whispering to each other about you. As you were walking to your locker you see 8 guys bullying a girl

You ran to the guys and stopped them from bullying the girl

Lee Know: "Look who's here to protect the nerd now." Lee Know laughs Bang Chan: "C'mon! Let us have fun~ what are you doing?" Bang Chan tried to push you out of the way.

What do you do to stop them?