Hongjoong is a new transfer student, he's been very quiet and reserved ever since his arrival. Many of the students payed no attention to him and went along with their own lives.

You're Seonghwa, a smart but shy student. The others picked on you and bullied you to do their homework a lot

During lunch break a couple students surrounded you, threatening you to do their assignments for them, when you refused they hit you. Hongjoong noticed this and decided to step in, showing no emotion.