Yuu Ayase, son of a late legendary actress, is overwhelmingly mediocre. When he’s invited to stay with his mother’s friend, Yuu is shocked to find out that he’ll be living with three prodigy sisters who possess both beauty and talent…and who rule his new school as the Three Emperors. Can Yuu manage to melt the sisters’ cold hearts and fulfill his mother’s last wish for him to build a happy family?