Amidst a whirlwind of a married woman's shame and guilt, a request arrives to fulfill a husband's cuckolding fantasy. Commissioned by the organizer of a swinging enthusiasts' circle to be "cuckolded," the target is 24-year-old M Suzu—a newlywed with a childlike face and innocent demeanor, married for just one year and without children. To satisfy her husband, she makes the bizarre decision to let another man take her. Though initially tense and humiliated, her restraint shatters the moment she feels the man's cock, and she begins moaning passionately. Watching herself being taken from below in the cowgirl position, she reaches climax. Afterwards, tormented repeatedly with sex toys, she orgasms over and over. Her own sex footage broadcast live on a large television excites her further, causing her to writhe uncontrollably as she plunges into ultimate pleasure.