Mitsuyoshis younger sister who keeps her black hair in a bob. She has a bright and bubbly personality. Since losing both her parents she has looked up to her grandfather and older brother as parental figures and has a siblinglike relationship with the cat Nyanko Big. She enjoys mystery novels and is currently into the Sunflower Express Love Incidents series. She looks up to Yamashita and holds secret feelings for him. It seems she is trying to keep her crush a secret but it is so obvious that everybody knows.