Akira Tsubakiya has spent her whole life being told she looks like a boy. Shes super tall, she has a flat chest, and shes not girly at all In middle school, she made a promise with a boy who went to her cram school, Haru a promise that they both would aim to get into the same high school, a prestigious academy. Haru told Akira that he likes girls with long hair, and since she started to fall for him, she grew it out. Now shes graduating from middle school, and has decided to confess her feelings to Haru. Unfortunately, she finds out that he has a girlfrienda super-cute, girly, long-haired girlfriend! Akira runs home and chops off all her hair, deciding that theres no point to trying to be girly.
Fast forward to Akiras first year in high school. She still wears a skirt, but she wears the top half of the guys uniform to school. Shes called Prince Akira, and all the girls are infatuated with her. Akira hasnt seen Haru in a while, but she does bump into Harus girlfriend who she discovers to be in fact a boy!