Sunggyu ,Sungyeol ,Dongwoo ,Hoya ,and Sungjong are students at wollim high school. They are famous as the craziest pranksters at school, They never knew that a day will come and they will have an addition to their group, 'Cause they are so much different than the other students.

  It hurt him. It hurt Dongwoo so much seeing Hoya cry like this, but all he could do that moment is pat his back.