World of Exchange Couples 3: Their Own Secret Techniques

교환부부의 세계 3 ： 그들만의 은밀한 테크닉

Mi-yeon will do anything to change the mind of her boyfriend, Joon-ha. Then one day, Mi-yeon calls Joon-ha, her friend So-jin, and So-jin's boyfriend Do-joon to her house, and she begins to take off her clothes in front of them.