Hamekoi!

A student is attending an all-girls' high school while cross-dressing. Mizuki Saiki is being made to do this by their older twin sister, Miyuki, who wants them to take their place in order to remain close to her childhood friend, Kaya. Mizuki must keep their identity a secret in a school full of girls. The situation is complicated by personal feelings and hidden agendas. The story explores the challenges of maintaining a disguise while dealing with personal secrets and the pressures of an unusual arrangement.