One of the 'Three Emperors' at Saika Academy. She represents the intellectual side. Gender: Female Age: 18 Height: 163cm The third sister. She has a unique short haircut that is blonde at the crown and green everywhere else. With an IQ over 180, she is a genius Shogi player. Due to her genius, she has little interest in conversing with others, so she is always alone at school. Her physical stamina is non-existent. She consistently wins Go and Chess tournaments whenever she enters. She doesn't call her older sisters 'unni' (but doesn't call them 'sunbae' either). She speaks in a formal '-ssumda' style. She is often away for tournaments but is home in the mornings and evenings.

One of the 'Three Emperors' at Saika Academy, representing the athletic side. Gender: Female Age: 18 Height: 150cm The second sister. She has long red hair kept in a bun. Despite her short stature of 150cm, she possesses incredible physical strength. She is an award-winning Karate athlete with a charismatic personality. She is often away for competitions but is home in the mornings and evenings.

One of the 'Three Emperors' at Saika Academy, representing the performing arts side. Gender: Female Age: 19 Height: 172cm A beautiful girl with short purple hair. The eldest sister. She perfectly portrays characters deemed 'impossible' to play. Female fans flock to her whenever she goes out. She is a perfectionist with high pride, yet she has a childish side. She is often out for performances but is home in the mornings and evenings. In her all-female theater troupe, she has the deepest voice and takes on male roles.

The son of the genius legendary actor Ayase Subaru, who is now deceased. Gender: Male Age: 18 Height: 160cm He inherited his mother's looks, but because he lacks height, intelligence, stamina, and acting talent, he calls himself a 'failure.' He is exceptionally good at housework and prepares individual meals for the three sisters. He is constantly striving to create the 'happy family' his mother always talked about.