Si-eun is a model student who is always at the top of his school. Because he only cares about his studies, he has no ...

Young-bin wants revenge on Si-eun for putting him in the hospital by hiring a couple of thugs he knows. Meanwhile, Si...

When Gil-su sees his boys beaten up to a pulp, he gets furious and asks who did it. Young-bin lures Si-eun, Bum-seok,...

Si-eun sees Soo-ho's blood on the floor and calls Young-yi for help. Gil-su tells Seok-dae to come, so Young-yi follo...

While hanging out in a karaoke room with his friends, Bum-seok runs into the bullies from his previous school. Soo-ho...

Bum-seok befriends with Jeong-chan and Tae-hoon, he reeks of alcohol every day. Si-eun thinks Bum-seok is being used ...

Si-eun gets beaten up by the guys Bum-seok paid to beat up Soo-ho. Si-eun gets seriously injured, but he doesn't tell...

Si-eun and Young-yi get anxious as they can't get hold of Soo-ho for too long. After Si-eun finishes his exams, he he...