After finding out that her husband is cheating on her, Ryoko decides to stay at her junior colleague Naho's house. Ryoko seduces Naho's husband by showing off her voluptuous ass. Ryoko has her husband come to Naho's house to pick her up, but she can't get over it and decides to have an orgy with Naho and her husband to show off to her husband... The husband arrives at the orgy scene and joins in, and a nasty orgy of beautiful big asses unfolds.