Mio Matsushima is a prodigy who worked hard to enter Mitsuru Girls' High School, a top-notch college.She has top grades and is the student council president.She has a strong sense of justice.Mio, who has such a personality, receives information that one of her students is doing a part-time job that is prohibited by school regulations.In order to stop her, she heads to the store, but it turns out to be "Bizarre Club P".She becomes a prey to perverted sadistic Gigis, and the lewd figure of a beautiful girl who is remodeled into a de M is too beautiful.