Miku Nakano is one of the quintuplet sisters, along with Ichika, Nino, Yotsuba, and Itsuki Nakano. Miku is the third eldest of the siblings. Miku is initially depicted as a shy and introverted character who struggles to express herself and communicate with others. Through the time, she begins to come out of her shell and develop her own sense of confidence and individuality. Miku is particularly interested in literature, and her love for books is a central part of hers.