Unconventional: Wife's infidelity with husband's closest companion in the culinary room, genuine infidelity

A married couple\'s best friend visits, and the wife cheats on her husband with him in the kitchen. The husband catches them, but the wife convinces him to join in. The friend pleasures the wife, then the husband joins, leading to intense anal sex and a messy finish. This real cheating scenario pushes the boundaries of taboo and desire.