15-year-old Ninako Kinoshita has never been in love until an encounter on the train with her school’s most popular boy, the quiet Ren Ichinose. As she grows closer to Ren, she falls in love with him, but must learn to cope with the unfortunate fact that Ren already has a longtime girlfriend.
Ninako confesses her love to Ren. But get rejected because he is already have a girlfriend. They promise to stay as a friend. Some other guy confess their love to her but she rejects them. Is it because she still wants to be with Ren?