Kana Tatsumi befriends the new student, Jimin Park, senior student who flaunts the aura of a cold hearted bad boy. Her best friend, Taehyung Kim, a total opposite, a cutie that every girl would want as their boyfriend, warns her that Jimin Park is part of a local dangerous gang. Kana quickly becomes involved with the gang and their rivals. Her life of senior year turns into shambles. Could Kana get back to her normal life? Would she want to?