The Honjo couple, who had just moved into their new home, hit it off with the couple living in the mansion next door. Suzu, who was troubled by her inability to have sex due to her husband Yuta's erectile dysfunction, consulted with the neighboring couple and received an invitation to swap partners, getting taken and awakening to her sexual fetish. The innocent Suzuki couple is trained by their sensual neighbor and gradually gets swallowed up in a whirlpool of lust.
