乃木坂 宙

Ryou's cousin and Kei's older sister and the manager of the cafeteria Premiere. Because her parents are on a long trip, she takes care of it. Used to go Ryou's school, where she was a charismatic student council president and admired by both the students and teachers; she's also seen as a bit of a legend. Despite her hardworking and tidy personality, she loves sleeping and her personality changes when somebody tries interrupting her sleep.