A spoiled and cruel princess of the Morimoto Conglomerate who owns the St. Arcadia academy, where she is given free rein to do as she wants, she is a sadist who delights in hurting and humiliating others. Her older sister Reina also reins over the academy as its principal and chairwoman. Youngest daughter of the Morimoto Group who accepts no authority. She is highly respected and feared, she is also leader of the Social Club.