Sawa applies to Heaven's Wing Academy, imagining she would look cute in the uniform. However, she never anticipated that the academy was formerly an all-boys' school! Furthermore, the school's top authority figure, the class president himself, does not seem to like her at all and makes no effort to conceal it. Initially, adjusting to life at the academy proves difficult. Sawa is bullied and teased, and the boys in her class even toss her new shoes into the water. While trying to retrieve her shoes, she falls into the water and is unexpectedly rescued by Ran, who had previously made her life hell. This newfound gentleness in Ran intrigues her, and she finds herself falling for him. What will her days be like for the remainder of her school life?