What is love, anyway? Ninako Kinoshita's friends tell her it's one thing, but Ninako wonders what this mysterious feeling really is. When she meets Ren Ichinose, the handsome, enigmatic guy that all the girls worship, her life takes an unexpected turn. With just a few words and a smile, he changes her world...

Ren opens up to Ninako, and her feelings for him escalate to the point where she wants to risk everything to become his girlfriend. But when she realizes that doing so might jeopardize Ren's friendship with Ando, will she go through with it?