Sakuyo has short black hair, with bangs that often cover her right eye. She has two strands of hair that frame the sides of her face. Sakuyo has purple eyes, like her brother, Mohiro Mikage. She usually wears a blue sweater and a plaid bow and skirt. Sakuyo also wears black leggings and brown shoes as part of her school uniform.
As an idol, Sakuyo wears a blue vest and shoes, along with a red ribbon in a bow. She has short white socks. Her hair remains the same.
Sakuyo is protective of the person she loves. She is also supportive and competitive, as seen in Episode One when she inspires Saki Uno to keep trying so they can eventually get better than her brother, Mohiro Mikage.
- She is the younger sister of Mohiro Mikage.
- She has feelings for Saki Uno. It has been revealed that these feelings are also sexual.