Sun-Young asks her superior Ho-Jun to train her in a Master-Slave BDSM dynamic. His first command is for her to wear a vibrator while walking around. His second command is for her to perform oral sex on him under a table. She keeps his ejaculate in her mouth for the remainder of the workday, which immensely satisfies him. He then rushes her home for an intense sexual encounter.
After successfully seducing her, Jaejun gets to enjoy a steamy car sex with Yumi; both a battalion commander & a milf that had been friends with his mom for over 30 years. She had forgotten what she represents to him as she solely focused on bouncing on his dick too much for a woman who hasn't had her breasts sucked since her daughter stopped breastfeeding.
After a boring sex session with her husband, Yoosun wants to get a taste of real dick from her husband's brother who was right behind her room's door waiting to fuck her.