Mom's Friend 2015 ( 7)

Seong Soo, a twenty years old boy, decided to move to Seoul after being accepted into Seoul University. However, he was a victim of real estate scam. He then moves into his mother's friend's house. Moreover, it turns out that his mother's friend is a sexy self-employed mother and Seong Soo is attracted to her.

The Day of Swapping 2017 ( 6.1)

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.

Female Workers: Romance At Work 2016 ( 3.167)

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...

Woman Who Grabbed the Rod 1984