Chisato struggles with caring for her bedridden father while enjoying a happy married life. However, when her husband proposes they move back to their hometown, Chisato can't hide her unease. She has a past she doesn't want her husband to know about—she was once used as a sex toy by her classmates… Her anxieties come true as Chisato reunites with the men and starts living days where she is tormented like a flesh toilet…
