With no plans after graduation, adult Yuzuru drifts through life while working as a private tutor. A friend takes him to a strip club for the first time, where the unfamiliar show leaves him bewildered—until Yuka, the mother from the family he tutors, steps onto the stage. Shock gives way to fascination as her sensual, shameless dance captivates him. He finally gathers the courage to ask why she works there, leading him toward the secret behind her double life.