Jeong-woo, who is newly married with Na-yeong, is secretly meeting Na-yeong's close sibling, Min-joo. Na-yeong, who is not aware of that fact, is worried that she is alone and tells him that he will introduce a good man to him, but she disappears when she tells him that she does not need a man and tells her not to do unnecessary things. Meanwhile, Na-yeong, who came home, tells this to her husband, Jeong-woo, but Jeong-woo also shows a grim reaction and does not care about it. Then one day, Min-joo visits Na-yeong's newlyweds in surprise, and the three of them fall asleep while drinking happily. While sleeping, Min-joo comes to Jeong-woo and does something amazing. A fierce love between a close brother and the man of his sister is just beginning.
Na-hee spends a day with alcohol after parting with her lover, Ji-hoon. Min-yeong knows and tries to take care of Na-hee. However, Na-hee does not forget Ji-hoon, and in fact, Ji-hoon and Min-yeong, who was former partner, have a relationship with Ji-hoon, who came to Na-hee. Na-hee, who is not aware of this fact, contacts Ji-hoon again, asking for forgiveness.
Na-yeong and Min-hyeok become lovers and have a relationship, but they live together on the premise of marriage. At their first housewarming, the two invite their friend Jin-woo. Jin-woo, who is invited, keeps telling bad stories to Min-hyeok, and Min-hyeok, who is only gentle, thinks it is just a joke. Meanwhile, Na-yeong who is angry at Jin-woo's appearance, talks with Jin-woo about Min-hyeok, who is asleep. However, there was a hidden past between Jin-woo and Na-yeong. In fact, the two were sex partners.
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...
Sexy girl seduces all the members of her family. She indirectly causes the failure of his father's marriage, for her stepmother falls in love with her. Then, she has affairs with her father's stepson, and with the farm housekeeper. She and some friends are also raped by some bad guys. But they all celebrate the ruin of traditional family values.
Is it a bad thing to have and like a lot of sex?' A woman with paraphilia is locked in a white room. In that room, the woman opens up about the turbulent sexual experiences she has had so far... Her paraphilia started from a trauma she had as a child As she becomes an adult, she is transformed into a form of sexual intercourse beyond imagination, and her ten hidden secrets are revealed.
A man and a woman have a date at a bar and drink a strange cocktail that makes them swap bodies while having sex. This incident will trigger in them fears and doubts but also the desire for new experiences…
Jane is 10 years into a relationship and runs an underwear shopping mall. She is tired of her boyfriend and concentrates more on her work until one day she asks a nameless photographer named Hyeong-sik for some pictures to be taken. Hyeong-sik agrees to her after seeing her body. The two stick to each other with the excuse of 'work'. In the end, Jane starts romancing with Hyeong-sik too...
Hye-ran, who has been living alone, has to live with Sang-woo, the nephew of her stepfather who her mother remarried. As time went, Hye-ran begins to feel lust whenever she sees Sang-woo. Even without blood relations, Hye-ran is confused about her feelings for Sang-woo, and she is also certain that her boyfriend, Gi-joon, is involved with another woman. Meanwhile, Sang-woo who had sex with Ji-eun, confessed to her that he was thinking of Hye-ran when they were in the middle of doing it, and then announced their breakup. Sang-woo went home late that night. Upon arriving the house, Sang-woo found Hye-ran in her underwear, pretending to sleep. Sang-woo eventually went in and touched Hye-ran. After confirming how much he wants her, she let Sang-woo take over her body.
Ga-eun and Su-ho grew up like brothers and sisters. However, Su-ho never showed that he likes Ga-eun ever since they were young. One day, Suho accidentally found Ga-eun's diary and found out that she also likes him. Su-ho reveals his feelings to Ga-eun. Ga-eun is not his real sibling, but to protect their parents, she rejects him...
Mi-yeon and Jin-ho are three months into their marriage and are having a hot night until they get a call from her father. He's gettng remarried and the couple leave to meet her father and his fiancée the next day. However, what awaits them is shocking. The fiancée is none other than Jin-ho's ex-girlfriend Sook-hyun. Thankfully, Mi-yeon and her father don't notice anything. That night, Sook-hyun texts him and Jin-ho makes up his mind about something.
Sexy female college students get part-time jobs at a room salon and provide very special services.
When record store owner and compulsive list-compiler Rob Gordon gets dumped by his long-time girlfriend, Laura, because he hasn't changed since they met, he revisits his top five breakups of all time in order to figure out what went wrong. As he examines his failed attempts at romance and happiness, the process finds him being dragged, kicking and screaming, into adulthood.
A sex comedy for adults depicting the lust of a man in a promiscuous relationship with his lover's sister.
Pamela is a young actress who has moved into New York City from the midwest. She meets up with Carl who is middle-aged tailor of women's clothings and is going through a "mid-life crisis". He sees his son's amourous escapades and longs for better relationship with his wife Anne who is distant at times. He has an affair with Pamela. But Pamela's lifestyle does not go well with him.
A Girl and A Guy is a modern tale of young adults navigating the tricky world of relationships, connection, and intimacy in today’s society. The film tells the story of a girl, the story of a guy, and the story of a girl and a guy.
A street hooker named Hyeon-ah (Jeon Yoo-jin) is locked up topless in the pension of a man named Jeong-ho (Heo Dong-won) who saved her from her pimp's abuse and beatings. She was locked up for no reason and every time she struggles against him, he hits her. A couple visiting the pension find Hyeon-ah and the man who wanted to rape her is killed by Jeong-ho. Hyeon-ah tries to run away from him but realizes she has nowhere to go.
To satisfy her lover's fetish for tattooed women, Akane agrees to have her body covered in eloborate tattoos by Kyogoro, an old craftsman. Kyogoro has developed a special technique, by which his assistant, Harutsune, keeps Katsuko's mind off the pain while Kyogoro does his work. After the work is done, Harutsune makes the shocking discovery of how Kyogoro mastered his technique.
Nineteen-year-old, Jin-goo enjoys an erotic moment to himself while thinking about his pretty English tutor. Then one day, he is caught in the middle of an embarrassing moment and becomes awkward with her. However, this becomes an opportunity and she starts teaching him sex. Their replationship becomes an uncontrollable romance. However, she quits the tutoring and the relationship to get married. Time goes on and Jin-goo is a grown up. He's used to thoughtless sex. However, his partner of benefit gets pregnant so he meets his future-mother-in-law to talk about marriage. However, she's so beautiful and sexy. He moves in with the in-laws but soon breaks out of the marrige due to his wife's fling. The mother-in-law doesn't know how to make it up to him for what her daughter has done. Jin-goo suggests something dangerous...
A series of episodes around sexual themes are framed by a central sex education plot, showing the viewer the "dangers of love".