Chinami Eita wants to become a real man so he can confess to his secret crush, the school idol Yuika. He attempts to achieve this by beating up everyone he can. However, after catching a cold and accidentally taking the wrong medicine, he is transformed into a girl—an incredibly cute one. To earn enough money to turn 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 increase, she starts to get enchanted by his demeanor...