Good Housewives.

An erotic film about the affairs of three married women. So-jeong, Hyeon-joo, and Da-eun, who are college classmates, are each dissatisfied with their husbands. So-jeong, an extrovert, enjoys sexual affair with her photographer while working as model, and Hyeon-joo enjoys sexual affair with her male client while working in real estate. Da-eun, a full-time housewife, happens to meet an attractive pizza delivery man. A few days later, Da-eun calls her friends to her house and orders them pizza, and the three friends seduce the delivery man.