Matsuzaki Hatori is a high school student with a crush on her childhood friend, Terasaka Rita. She believes her life is like a shojo manga and Rita will eventually choose her as his heroine. However, Rita begins dating Adachi Miho, a nerdy girl in their classroom. Even though Rita has dated before, Hatori can tell that Rita really likes Miho, and it's the first time Hatori has felt threatened by a girl