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.

The man was originally very loving with his girlfriend, and often did some exciting love, including in public places. However, when the man went to his girlfriend's house to see the future mother-in-law, things began to reverse, and the first rushed into it. The mother-in-law’s bathroom made the man’s heart yy, and all this has just begun, because the mother-in-law also discovered his huge genitals...

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"Trust me tonight" Min-ho is preparing to get a job and is spending some time in his parents' house. However, his parents aren't home and only his young sister-in-law is there. His brother Hyeon-soo had left the house after fighting with his wife. Min-ho can't help but feel attracted towards his young and appealing sister-in-law.

Sung-hyeon reunites with first love, Jin-hye at a class reunion.

Two best friends. And their lust for each one's opponent mothers. Junhyeong and Daejin are best friends. One day Daejin’s mom visits Junhyeong who is heartbroken when he was disappointed in love. She suggests that she will teach him sex and make him a real man. Unlike Junhyeong, Daejin is popular guy to women. But he long since has fallen in love with Junhyeong’s mom. When Daejin hears Junhyeong’s parents seems to divorce, he decides to start expressing his affection to her.

Three nights before enlisting, Seung-wook decides to leave his mark since he can't avoid the military so he flirts with everyone. However, his school senior So-yoon nor his blind date Il-hong will fall for him. The night before he leaves for the army, Seung-wook decides he's going to see some action with the two girls. The project of 'leaving a mark' starts now.

Do-yeong is unemployed after graduating college of physical education but gets a job as a trainer in the gym. There, he meets Se-hee, a beautiful and famous sports caster who lives in his neighborhood. He tries to buy her attention but fails several times. Meanwhile, Do-yeong finds out that the gym is planning a way to use Se-hee and he sets out to save her. What is going on during the 1:1 sessions at the gym and what is the plot behind it?

Florist Ae-ran and forensics investigator Min-ho from the Public Prosecutor's Office both have a family that everyone wants. However, Min-ho can't handle bed time so Ae-ran starts a 'challenge game' in which she seduces and has sex with strange men. One day, Ae-ran and Min-ho meet Alex at a tango cafe. Alex is interested in Ae-ran and approaches her while Ae-ran takes interest in Alex who is more handsome than her husband. Min-ho later witnesses them in action and gets angry when he finds out the man Ae-ran seduced is Alex. Min-ho feels nervous because he finds out Alex isn't just a game partner and approached him for a reason. Min-ho tries to get rid of Alex but Alex chokes Ae-ran and Min-ho even more and feels catharsis. The game they started is turning into a catastrophe...

Who's going to let down their guard first? A pretty art tutor VS a muscular and young personal trainer? This sex-less couple's secret tutoring starts now between a pretty art tutor VS a muscular and young personal trainer. Baek-seon and Soo-kyeom are sex-less couple who have been living with each other for 20 years out of loyalty. The two decide to find a hobby for some fun in their lives. Soo-kyeom decides to get personal training and Baek-seon decides to get some art tutoring. Oh dear, they meet handsome and young personal trainer In-hak and pretty art teacher Ji-won! The couple is soon more interested in getting action than getting lessons. What will be the end of their secretive lessons?

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...

A sexy sister-in-law instead of a quiet wife! An innocent sister-in-law instead of a horny wife! Two men struggle with their sex lives and they decide to swap wives. Jong-woo is frustrated with his wife Jae-hee because she's so silent in bed. He talks to Ji-yeong about this and she tells him she hasn't had satisfying sex ever with her quiet husband Min-soo. Jong-woo and Ji-yeong find out they enjoy various positions and plays and end up spending a night together. Meanwhile, Jae-hee and Min-soo also want something soft and affectionate and the couples can't be stopped now...

Joo-yeon is traveling before he joins the army. He visits his uncle's house to spend time there until he starts serving duty and gets off at the bus terminal in a small city. Unlike his tacitum uncle, his aunt is very open and sweet. Joo-yeon meets her friends too at the hospital where he meets his aunt and he also meets his childhood friend Tae-ho. Later, they work out at Mi-jin's Taekwondo studio and decide to get drinks. Joo-yeon notices that something is going on between Tae-ho and his aunt but he decides to ignore it. Joo-yeon keeps a watch on his aunt while Tae-ho tries to bring out her sexual fantasies. Mi-jin falls for Mi-jin. Joo-yeon is getting other ideas the more it's time to leave for National

Gwang-sik is a single father with a son and Hae-ra is a widow with a daughter. They get remarried and become one family. Gwang-sik's son Myeong-ho and Hae-ra's daughter Dal-rae are brother and sister but they end up having sex. Their parents notice something is wrong but they pretend they don't know anything. That's because Gwang-sik feels attracted to Dal-rae and Hae-ra feels attracted to Myeong-ho. They go on a family trip to Kangwondo. They end up colliding with their sexual desires for each other and in the end, their family is reconstructed.

In an ordinary-looking house, live the owner couple, Se-kyung and Jung-sik, their daughter,Ma-ri, and Jin-seong who's new to society. The couple is on vacation, and Ma-ri and Jin-seong are alone in the house. One ordinary day, An Uninvited Guest called Soo-jeong comes along. She had a fight with her husband and had come to stay in her brother's house for a few days. However, one night Soo-jeong gets drunk and mistakes Jin-seong's room for hers. As a result, they end up sleeping together. Ma-ri sees Soo-jeong come out of Jin-seong's room, but suspects nothing else. Vegetarian Jin-seong craves sex and sleeps with Soo-jeong once again. However, Soo-jeong goes back to her husband, and Jin-seong can't help but feel lonely. Meanwhile, Ma-ri likes Jin-seong and seduces him to have sex with her, but she's outraged when he tells her he had sex with her aunt. This is the story of the ordinary but not so ordinary, secretive house.

Gyeong-soo and Jeong-min used to be the happiest couple in the world. However, Jeong-min is left home alone after her husband leaves to the regional area for a lengthy business trip. While she tries to deal with her lonely feelings, her son’s tutor Min-hyeok starts flirting with her hard. And although Jeong-min knows she shouldn’t, she starts being attracted to Min-hyeok more and more. Meanwhile, Gyeong-soo finds his place in a boarding house in the regional district and starts getting attracted to the owner of the board house, who is a single mother with a young daughter.

Ep.01 My wife's healing Yumi and Hyun-tae are on a journey of reconciliation overnight to overcome bourgeoisie. Eating dinner together I'm going to join the couple who stayed in the next room. Jae-yong informs Lee Hyun-tae that he can overcome boredom ... Ep.02 Soap Scent Eun-su, who was tired of her boyfriend, told a Chinese housekeeper I am at a glance, and both of them cross over the lines I should not cross ... EP.03 Singularity Family The family of Sehun, who is reconciled with other family members, enjoys each other's private life in the evening. Sehun went to the bathroom in the middle of the night and witnessed a scene he could not imagine Sehun himself confesses his family to the absurd fact ...

Soo-hyeon and Hye-ji are sitting on a pile of debt thanks to their husband and father who ran away in the middle of the night. Tae-san the loan shark demands the money no matter what. He rapes the mother and daughter and requires them to join prostitution. They survive day by day selling themselves until one day, Tae-san suggests a way they can clean slate over one night and that is for the mother and daughter to have the most extreme sex with one man.

'What kind of story do you want to talk about..?' Working in a coffee shop doesn't mean I didn't really love myself I also tried to raise the child as hard as my child, but it is not my child.. Then, at some point, the child and I spent more time together. It seemed like it was going. If only I disappeared.. Everyone was happy.... If I was quiet.. For the one who would become a wonderful husband who waited for his wife.. I left 'Why did my son come to visit me?' Nostalgia for a real mother, and a place where you want to lean on unstable youth

Doyle is a white man. Although friends suddenly worry about Doyle who is losing weight, Doyle says he is on a sex diet. Friends who don't believe Doyle's words. Doyle yields to Jung-woo about the woman's call to her. Jung-woo, who had an easy relationship with a woman, has since followed Doil as a teacher. He listens to Jeongwoo Jindo and takes Doyle as a teacher. Doyle gets a meal from his friends and tells her a secret every time she eats...