It all started in Elevator of their Office! Their body rubbing against each other due to sudden crown in the Elevator, made them all hot & bothered. Finally things escalated in their Apartment's Basement Parking Lot, resulting in them, having sex inside their car.
O Yu-Ri is at an after-work company drink party, with her Boss Park Hyunsoo & other colleagues from the company. She is drunk & the Boss took her into his car & go to a secluded place for sex. First Sex scene of Season/Part 2 of this series.