Sexuallylustfulpizzadeliverywoman,Seung-haVScustomerwhowantstoswap,Yoon-yool　　TheHye-jincouple,whoadvocatefreesex,yuankan.ccpointtothepizzadeliverymanJi-yeongandDal-sooaspartnerstoenjoywiththem,andexecuteaneroticoperation.WhenJi-yeongarrives,Hye-jin'shusbandshowsoffhiserection,andwhenDal-sooarrives,heseducesherwithhischestanderoticposes.Duringthedelivery,Ji-yeongwitnessesHye-jinandJeong-woo,aChineserestaurantdeliveryman,havingaloveaffairattheentranceofanapartment.