Ouji is a third-year student at Private Aria Academy with a large following among girls, especially Kanade who harbors feelings for him. Later on, Ellen also develops romantic interest in him. In addition to being popular and well-liked, he serves as the school idol and leads a group known as "Musical Princes". Ouji is an avid fan of Maria Hojo, Hibikis mother, just like many other students in his class.