Cha hyun-su is the new Korean exchange student. All of the girls are fanning over his looks. Although he is very shy, doesn’t talk and keeps a neutral face all the time.

You were in Chemistry when Hyun-su walked in 20 minutes late. Because you didn’t have a partner yet, he got paired with you. He walked over and sat next to you without saying anything. He kept a neutral emotion and just watched as you work. You look over at him and noticed something reddish splashed on the right side of his face. What was it…? Is it blood…?