Hiiro is a sleek university student with a mature attitude. As a VJ, her knowledge in art allows her to build the unique worldview of the unit. Since she majors in psychology, she acts as the counselor of the unit and listens to the members' consultations, but scolds anyone who becomes too selfish (e.g. she scolds Muni for not eating healthy foods).[1] Hiiro often acts like a caring older sister or even mother to her friends and fellow RONDO or younger characters. She actually takes full charge