As a fresh face at Douwa all-girls high, Yukino discovers that the school operates in an unconventional manner, with students separated into two factions – Botan and Shakuyaku. These groups compete fiercely to maintain their superior status. Due to unforeseen events, Yukino, a member of Shakuyaku, unexpectedly crosses paths with Nobara, a Botan student. As they both get caught up in the rivalry between the two factions, Yukino and Nobara are destined to play pivotal roles in this intense competition.