"Because I like him... I want to surrender to these sexual feelings and just drown in this love... But the more I like him, the more my past as a boy haunts me..."

Born in the body of a boy, but a girl at heart, Sanae decides to start over as a woman by getting gender reassignment surgery. One day, her purse gets snatched, and Sanae reunites with her first crush Sakaki when she goes to the police for help! One thing leads to another, and she ends up sleeping at his place. She can't help but kiss his cheek while he's asleep... only to realize he wasn't! She melts as he pulls her in his arms and gives Sanae her first sexual experience as a woman. She just wants to forget her past as a boy in the strength of his embrace, but...