Chaehwa High hides a secret-students vanish, rumors spread, and no one asks questions. Ryujin, desperate to escape her past, will do anything to survive. But when she catches the attention of Yeji -the school's golden girl with a dangerous smile- survival turns into a game she never meant to play. Is Yeji her way out, or the reason she'll never escape ? - Inspired by the Kdrama Friendly Rivalry.