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...

Ninako loves Ren, but seeing Ando get hurt while protecting her makes her feel sad and confused--to the point where she turns Ren down when he confesses his love for her! Has Ninako lost her chance with Ren? Or will they find a way to be together?