Hwi-Hyeon bought the Original House of Yun-Gyeong & gave back the house to her. They are doing the deed in the living room. Yun-Gyeong is very active during the sex, Hwi-Hyeon is fucking her Rough & Hard.
Flashback: Hwi-Hyeon saw Yun-Gyeong having sex with her Husband when he was a Teenager. Both saw each other & it turned her on even more.
Kyung-Ho (MC) gets dumped by his girlfriend Yeon-Hee and he starts fantasizing about her getting fucked by the guy she ditched him for as she explains why she's leaving him.