Yoshimura Riku, a charming member of the idol group "Z," is one of the five handsome men. But guess what? She's a girl! Despite this fact, she's just as popular as the leader, Touya. She portrays herself as a charming and cool guy that makes all the girls swoon. Nevertheless, when Touya gifts her something special on Christmas, she yearns to expose her more feminine side to him. Will she succeed?