Mori Shintaro, a new first-year student, yearns for the sparkling high school life of having a girlfriend and experiencing youth, but is ridiculed by those around him. His classmate, Inaho Sawatari, entered the school as the top student and is a highly regarded beauty. The two are not supposed to cross paths, but after an incident where they are mistaken for a couple, she makes an unexpected proposal. "Shall we pretend that we're really dating?"