After that day, she stopped being a girl.

In the wake of an assault, Nina Kamiyama, a former idol in the group Pure Club, shuns her femininity and starts dressing as a boy. At high school she keeps to herself, but fellow student Hikaru Horiuchi realizes who she is. What secrets is she keeping? The shocking drama starts.

"This is exactly why she got herself stabbed by a fan."

Heartbroken Nina Kamiyama is a former idol. She's decided to keep her past identity a secret for her personal safety, but the dangerous situation intensifies when another discovers who she really is. Who can she trust?