With dreams and hopes in their hearts, they enrolled in a new school. However, instead of the joyful school life they had imagined, they were met with harsh reality and absurd circumstances. On the surface, the academy appeared to be an orderly educational institution, but behind closed doors, unreasonable rules and cruel discipline turned it into a place of suffering for the students. Their days there were far from ordinary school life—instead, a relentless series of trials and terror. Amid this brutality, the story follows how these girls struggle to survive, depicting a battle between despair and hope.