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.

My Friend's Mom

Jang-ho who dreams of becoming a chef is pretty close to his dad Yeong-soo; enough to talk about his girlfriend and they live alone. One day, Yeong-soo tells Jang-ho that he's getting remarried to a Russian woman. Jang-ho accepts this and meets Olga. He is surprised to see a young and beautiful woman standing before him. A few days later, Yeong-soo goes to Russia on a business trip and Jang-ho and Olga get to know each other.

Russian Mom

Three men and women start living together. Byeong-soo is chosen in a scenario contest and is picked to write a script for a movie, so he leaves the noisy city and moves in with his married senior from school. At the house is Ji-eun, the senior's wife and a young and sexy Bo-yeong.  The three living together leads to some risky situations!

Young Sister-In-Law

Jeong Mi-rae has had an outstanding ability in writing since she was young. She's realistic and she gets a lot of job offers. However, this is only when she was young and now that she's been at it for 10 years, she doesn't get as much work as she used to. Now, she gets offers for adult comics or erotic movie scenarios. She starts working on them so that she can make a living but as realistic as she is, she needs to experience eroticism herself to write anything about it. She tries out different positions on her own and even on younger men who are easy to seduce. However, the production company doesn't like what she wrote and Mi-rae's ego is hurt. So, she plans doing something that will surprise them.

Sleepless Sex 2

Yeong-hoon realizes that he is strangely drawn to Mi-ran, a married woman, who is one of his colleagues at work and adored by many men. Yeong-hoon keeps flirting with her constantly and he finally ends up having a passionate sex with Mi-ran. He becomes deeply drowned into her allure. One day, Yeong-hoon receives a shocking video message when he visits Mi-ran’s house. The video informs him that Mi-ran’s couple has been using Yeong-hoon as their sex partner. Mi-ran’s husband, Jeong-wook invites him to join their games. Yeong-hoon cannot decide between his loving emotion for Mi-ran and his desire. Yeong-hoon after all tells the husband to let her go, because he is in love with Mi-ran. Jeong-wook accepts his request under one condition, which is that Yeong-hoon should have sex with Mi-ran in front of Jeong-wook. Yeong-hoon accepts the suggestion and starts having sex with Mi-ran in front of Jeong-wook, but he stops in the middle.

Weekend Couple

Gong-soo works in an underwear company and has a crush on one of the new designers named Soo-yeon. Gong-soo is preparing a design PT for a major company when he decides to tell Soo-yeon how he feels about her. He looks for a chance to tell her but Chief Lee, a handsome and talented man gets in the way.

Sex First, Love Second

Yoo-jin is rough and manly while Yoo-jeong is feminine and cute.  Yoo-jeong works in an office until she finds out she's getting fired. The chairman uses this against her to provide sexual service and Yoo-jeong has no choice but to spend a night with him.  Yoo-jin finds out about this and makes a plan to make him pay back...

The Sisters S-Scandal

Ji-min wants to explore new risky venues of pleasure with her boyfriend. Voyeurism becomes a new fantasy that may turn into reality.