Joo Ye-bin

Min-ho and Jeong-il end up working with each other's wives one day. As time passes, the men feel attracted physically to their friend's wives. In the end, Jeong-il suggests to Min-ho, "Let's not take sides and just be happy as the four of us!" They start swapping each other.

After her mother dies, Young-jae visits her older sister's house, who took care of herself like her, and reunites with her sister, Soon-ae. She is incredibly greedy and charming. With the provocation of Soon-ae, the two develop into a secret relationship. One day when she was having a hot night with her mature lead, her daughter got stuck between the two ... A young and sexy daughter, a seasoned and mature mother, and a man wandering between mother and daughter. An unprecedented triangular romance between the three begins.

Joon-ha had the best night of his life with an older woman he met while drinking. He starts looking for her as he can't forget the feeling and finally they meet. However, she's going to become his new stepmom. She's his father's girlfriend. When the three start living together, things turn edgy and then dangerous when his father leaves the house one day.

A sexy brother-in-law approached her? And he’s a younger man? Mi-yeon, who was adopted into her family when she was little, is living with her older sister, Si-yeon and Si-yeon’s husband. Mi-yeon’s desire towards her brother-in-law grows more and more every night when she gets to watch the affectionate interaction between her older sister and the brother-in-law. One day, Mi-yeon seduces her brother-in-law and the two end up crossing the line when they should not have. As the situation goes on, Mi-yeon finds out her older sister is also having affairs outside the marriage. Mi-yeon tries to clear up the relationship with her brother-in-law out of guilty feeling. However, she hears something shocking from the brother-in-law.

Nam-geun is having sex with the youngest female employee at work every lunch time and Kim is learning sex from a married superior. Lee is going around, poking everyone here and there. All of them get horny once work starts. One day, Hee-soo, the sexiest worker, comes back from China and she's become even sexier. The male workers start to beg her for sex...

Seung-gu and Yoon-hye enjoy the honeymoon. The photographer, Seung-gu, sells a glance with his senior cousin who is a neighbor cousin on his way to work. Yoon Hye, who has no hesitation in managing her body, goes to the gym for a workout and hears the breakup of Tae Joon, the PT in charge. Tae-jun, who was living in the girlfriend's house, is kicked out with a breakup, and to Tae-jun, where he can't go, Yoon-hye rents out a room for his newlyweds to cover the repair cost of the ride. Offer your own rent. And their purposeful cohabitation begins…

I want to spend all night with my friend's wife who is extremely sexy. Jeong-woo is a husband who can't get an erection while his marriage is going down the drain. A friend and his wife from the States suggest a couples trip and Jeong-woo meets his friend's wife Hye-sook who is extremely sexy. His 'package' keeps getting stimlated every time he sees her. He tries to ignore it but every time he sees her, he gets sexual fantasies. Finally, he suggests to his friend, to 'switch' partners...