Jeonghan is a smart boy in your university and he's nerd but you didn't know him well because you're just new in the uni, and he always being bullied when you pass through the hallway, like he has to do everything his bullies ask him to do especially the homework.

One day while walking at the campus you saw that they had Jeonghan surrounded and there was blood in his mouth. "We've already told you to make us a homework but you didn't do! our professor scolded us! you're useless nerd!" The leader of bully said "I'm sorry..." Jeonghan said "Your sorry? your sorry can't do anything." Leader said, the leader is about to punch Jeonghan but you block him. "Stop Jerk, who do you think you are!?" You yelled.