Purpose of Sex: Director's Cut

But... we shouldn't do it. As Jin-goo's father suddenly leaves for England for a business trip, he stays in the same house with his stepmother, Ae-ran, who is still in an awkward relationship with him, but it is also uncomfortable to meet him at every meal. Ae-ran tries to take care of her son Jin-goo even if she's busy living every day as an English teacher and working part-time as a private tutor. She sometimes goes to work at night as if she had a part-time job. Meanwhile, Jin-goo often goes to karaoke rooms to meet Woo-mi, who is popular, thanks to the introduction of his senior in the neighborhood. One day, when that senior came home for a drink and encounters a huge fact, he turns around, revealing a huge secret and revealing their mixed erotic romance.

Sexually lustful pizza delivery woman, Seung-ha VS customer who wants to swap, Yoon-yool. The Hye-jin couple, who advocate free sex, point to the pizza delivery man Ji-yeong and Dal-soo as partners to enjoy with them, and execute an erotic operation. When Ji-yeong arrives, Hye-jin's husband shows off his erection, and when Dal-soo arrives, he seduces her with his chest and erotic poses. During the delivery, Ji-yeong witnesses Hye-jin and Jeong-woo, a Chinese restaurant delivery man, having a love affair at the entrance of an apartment.

Rookie actor Yunyul! Although she looks innocent, her secret private life is revealed in detail. Sexy glamor rookie actor Yunyul’s breathtaking talk begins! Yunyul, who has a beautiful model body line and a bursting breast, but with a face that combines soft innocence and contradictory charm!  It boasts a voluptuous, powerful hardware since its debut early and came to the hottest Newcomer together many fans successfully her first interview with the film anchakhan the debut of receive the love of 2020  from an episode from the debut course she speaks to date Her anti-war charm, honestly revealing her usual dating course with the opposite sex she dreamed of! The honest interview of 24-year-old Yunyul begins.

Tae-hee, can't live without her dead husband, and is living alone without being remarried. Her neighborhood friends, Yeong-ju and Cheol-min still feels sorry for her. However, Yeong-ju's son, Min-ho, secretly takes pictures of Tae-hee, admiring her. One day, Tae-hee and Yeong-ju goes to the grocery when she heads back home, after forgetting her cellphone in Yeong-ju's house. Just in time, Min-ho comes out of the shower and hugs Tae-hee...

Ji-seon is living with her sister and her husband after a divorce. Her sister Ji-yeong leaves for a work trip and Ji-seon is at home all alone with her brother-in-law. The two can't hide their sexual passion and they cross the line. Every time Ji-yeong leaves, the two enjoy risky sex...

Hye Jin, Hee Kyung, and Han Hee who are among the high school alumni. They met at the alumni meeting and heard that the male alumni who did not have a chance to study during their school days were greatly successful as an investment company. And after seeing the settlement a few days later, I am happy to share my memories, but in fact, their purpose (?) Is separate. They are difficult to afford, and they want to get help from Zhengzhou. Since then, Zhengzhou has been enjoying the love of female alumni.

A famous patissier and his women enjoy work and sex. Neung-geum has dreamt of being a pattisier. She stops supporting her boyfriends school bills. Woo-hyeon is a famous dessert patissier and he has secretive sex to get secret recipes but to him this is just a way to find sweetness. Neung-geum learns how to make dessert from Woo-hyeon. What kind of sex will they have today? What flavor?

Seul-i and Yool-i meet on a trip and treat each other more than their own sisters. Seul-i feels burdened by the fact that Yool-i likes her sexually and introduces the men to Yool-i.

An omnibus movie about the jealousy of a man who can't stand the fact that his favorite woman slept with another man in two episodes. Episode 1 At a drinking party led by Jae-hoon, movie director Sang-min meets Hye-jin. Sang-min compliments and sleeps with her favorite Hye-jin while watching her movie. The next morning, Hye-jin's friend Mina left early because of her job, Jae-hoon and Sang-min, who were watching a movie together in Hye-jin's bed are attracted by the atmosphere and curiosity and enjoy 2 to 1. Episode 2 Sang-min meets his school friend Ji-eun at the club. When his foreign friend James showed interest in Ji-eun, Sang-min suddenly became interested in Ji-eun. That night, Sang-min finds out that Ji-eun slept with James, and visits Ji-eun's house with complex emotions mixed with like, anger and jealousy and confesses that he likes her.

After divorce from her husband, Na-yeon, who lived with her son Dong-jin, suffered from a business failure. At the request of a junior democrat who has nowhere to go, four people live together for a while. Hyung-cheol tries to sex with Min-ju, but is rejected. Hyung-cheol, who is idle without knowing the date, is dissatisfied, I'm going out saying I'm looking for a job even by myself. There are only Nayeon and Hyungcheol at home. Nayeon takes a shower while Hyung-cheol is sleeping and masturbates while thinking of Hyung-cheol. Hyung-cheol woke up thinking that the moaning in the bathroom was democratic. Nayeon is surprised to see her masturbating, but she cannot overcome her excitement and attacks her. When the two sexes were in full swing, Min-ju, who came back home, sees it. That night, he goes to Dongjin's room and tells the truth...

"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.

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?

A female college student upstairs who likes big things! Instead of her boyfriend, she became more addicted to sex with the owner downstairs.

Two beautiful girls run for company secretary position, both girls try their best to please their boss...

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.

Jeong-hye and Ji-hwan are a couple who have been living a wandering life due to debt. Ji-hwan makes a secret deal with Man-soo, the new owner of their previous house. The couple can stay at Man-soo's house, but in exchange, Ji-hwan must have sex with Man-soo's wife, Tae-hee. Man-soo also ends up taunting Jeong-hye secretly, using her unemployed husband as bait. Later, Jeong-hye and Ji-hwan eventually find out that they have been secretly played by the couple and get frustrated. In the end, Man-soo and Tae-hee propose a new offer to the couple.

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.

Jeong-ho fights with Ye-rin. He happened to meet Eun-jeong, the wife of a senior who passed away. He tried to win Eun-jeong's heart, who was once his first love, but she has no intentions to date another man because of her husband. Instead, Ji-hye who lives with Eun-jeong falls in love with Jeong-ho. Ji-hye is trying to match loner Eun-jeong with the junior of his husband, Joon-hyeok, but is uncomfortable. Will Jeong-ho be able to love Eun-jeong?

A movie about women who try to make a living by meeting men under conditions and men who just want to fulfill their sexual desires.

An unemployed man. The man has no money and ends up staying with his married older brother's house. His sister-in-law feels sorry for him seeing only playing at home. A man who always watches his sister-in-law's thoughts and actions. Then one day, he found out that his sister-in-law was having an affair and cheating on his brother!! He threatens his sister-in-law about what he found out, so she asks him to keep it a secret and tells him that she will grant all his brother-in-law's requests.

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

Jin-woo lives in his friend's house and he likes his friend's sister. Although he has a girlfriend, he's constantly looking for a chance to approach the sister. However, he doesn't get the nerve to do so until he approaches her with the excuse that wearing a woman's panties on an important day brings luck.

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...

Ji-ho regrets marriage with her selfish, withholding husband. She is desperate for a real relationship and by chance falls for a man who is exhausted from his constant lonely state. It turns out that the man is her husband's colleague, but she continues to enjoy herself anyway. Her husband returns home from a business trip and witnesses something he didn't expect to see.

Pan-joon spots Choon-hyang who is walking alone on a deserted countryside road and approaches her with naughty things in mind. However, she's strange. She doesn't answer his questions properly. However, Pan-joon doesn't give up and asks her to go with him.

Sung-chan and Soo-jin used to date. Soo-jin was expecting quality time together until he comes home drunk. A few years later, they break up and Soo-jin appears in front of Sung-chan who is about to marry Yoo-ri. Sung-chan and Soo-jin still like each other and they both desire each other. Will Sung-chan be happily married?

Min-chul misses his mother who left 5 years ago. His father Jung-soo brings Hyun-ah, a new mother who looks just like his mother. He recalls his mother as he watches Hyun-ah endure the violence his father shows, but he starts to see her as a woman.

A part-time worker is fascinated by a customer. When she's fired and upset, she takes on a new partner for comfort.

Yoo-kyung and Min-young are best friends and rivals. Min-young has a boyfriend and is too busy to hang out with Yoo-kyung. Lonely, Yoo-kyung comforts herself with a banana that surprises her when a handsome man pops out of it. Yoo-kyung has a fun time hanging out with the man who is cursed and trapped in the banana. Meanwhile, Min-young's boyfriend confesses to Yoo-kyung that he actually has had a crush on her. However, Min-young finds out what happened and steals the 'special banana'...

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

Internet broadcaster, BJ Si-won, brings home men to comfort herself. She started the broadcast at first to make money, but the positive response she received inspired her to make the broadcast more stimulating. She seduces men with her erotic moves. Another BJ, Seri, does everything to get responses, but she can't. She asks BJ Si-won for help. Si-won suggests real sex and Seri calls in her boyfriend.

Hyeon-joo and Chan-sik became a sexless couple as she had suspicions that her husband was cheating on her. Then one day, she heads to her in-laws' house to take care of her father-in-law, Man-geun, who lives alone for the time being due to an accident. Without a wife, Chan-sik enjoys an affair with her employee but is caught by his father.

A man has an accident at work, and his boss asks his wife to have sex with him in order to free him from responsibility. One day, the man witnesses a scene where his wife has sex with his boss and decides to take revenge by doing the same to his boss' wife.

Hyeon-goo introduces Seung-mo to the local area, probably feeling sorry for Seung-mo, who lives under his wife's nagging. However, Hyeon-goo's purpose is to divert Seung-mo's attention and meet Seung-mo's wife, So-hee. After spending time with different people, So-hee and Hyeon-goo's feelings change.

Yeon-hee, who hasn't changed her hair and isn't ready for the first night, gives sex advice to her friend over the phone and calls her boyfriend over to have sex. Unlike the first time, he is overflowing with libido and visits her office to have sex. Ji-ho is worried about her girlfriend. Although they are friends, Chae-ah and Seon-woo end up having sex after drinking during the day. Different sex stories of 4 couples.

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.