Sumire Toujou

She is a 31-year-old former idol who lives alone in a run-down apartment. She was previously the gravure leader of the group First Lovers, but left the industry due to the group's lack of success. She is an alcoholic and a heavy smoker who stays at home apart from working part-time at a snack bar. Because of her low income, her aunt Mika, who is Yūsei's mother, pays for her living expenses. She travels around on an old scooter.