Sayuri Ono, a 54-year-old housewife from Miyagi Prefecture. A gentle and refined mother of two, she has never experienced an orgasm and has long harbored a secret desire to know true pleasure with her husband. Despite feelings of shyness and nervousness, this 54-year-old woman finally reveals the side of herself she's kept hidden, eager to experience the real ecstasy she's been longing for. Her inner conflict and anticipation for this new experience are deeply moving.