Mao Arimura

A third-year student who aspires to become a cool idol. As the Hatsuboshi Gakuen idol department's dorm head, she takes good care of the other students. Her underclassmen look up to her, referring to her as a Little Prince. Aspiring to become an opera star since childhood, she had experience as a child actress in the past. However, she has recently been struggling with the gap between her ideal image and physical development.