Chinami Eita wants to become a true man so he can confess to his secret love, the school idol Yuika. He tries to achieve that by beating the crap out of everyone he can. However, when he has a cold and accidentally takes the wrong medicine, he is turned into a girl—an incredibly cute girl. In order to earn enough money to turn himself back into a guy, he pursues a career as an idol and ends up meeting Yuika who also wants to become an idol. As their encounters with each other increase, she starts to get enchanted by his demeanor...