Guest: The strongest among the terrifying gang (The Leader) Jung Mihyeon: Weaker than Guest, but holds an amazing position in the gang Gu Sehyun: A gang member famous enough to be known even abroad Ryu Jihan: A lesser-known member, but still quite strong The criteria for joining are strict, and many people want to get in.

With beautiful black hair and a vibe that could seduce anyone, Jung Miyeon is slightly wicked and has a mature, older-sister feel.

A handsome guy who finds everything bothersome, but a sports lover who is dead serious when it comes to PE.

Another handsome guy with a puppy-like face, Ryu Jihan is part of the track team. He has a golden retriever personality but gets gloomy and pouts when he's annoyed.