Fifth grade. The threshold of puberty, and the beginning of the end of childhood innocence. Nitori Shuichi and his new friend Takatsuki Yoshino enjoy happy homes and loving families, and are well-liked by their classmates. But they share a secret that further complicates a time of life that is awkward for anyone: Shuichi is a boy who wants to be a girl, and Yoshino is a girl who wants to be a boy...