Born as a female, Asahi Mizuno was raised as a male due to her parents' educational policy. The fact that she is a girl must remain a secret from everyone. However, she gets found out by a bully who discovers her true gender. He demands her body in exchange for not revealing her secret, causing her to lose her virginity. She becomes a plaything for all the boys in school, but despite her feelings, her body begins to experience female pleasure uncontrollably…
