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.
Cousins who work at a single workplace, the man having sex with her older cousin who is angry at him, his younger cousin he loves before who visits, and a hot love story that begins again. The story of a woman who wants to leave the countryside falls into the charm of an uncle who lives with her in town, and a new story written with entangled desires.
Jae Hoon was discharged from the army and came to his idol trainee younger sister's accommodation to stay for a few days. At the house, his sister's idol trainee friends, Hyeon Joo and Yeon Joo, are there. Her friends have a good feeling about good-looking Jae Hoon. In the middle of the war between the two women for possession of Jae Hoon, embarrassed Jae Hoon makes a shocking proposal to Hyun Joo and Yeon Joo...
Mi-yeon, as if running away to the countryside from one's husband's wrong guarantee, runs away as she could't stand her pathetic husband but lost her way. As she was finding her way, a man from next door happened to find her and asks her to sleep over at his house. As night fell, the man next door took her body.
Ji-seong who only cares about success is briefly a fitting model at the recommendation of his former college senior, and he uses his senior's wife to fulfill his desires.
Sang-min's girlfriend Eun-jeong, is a nude model and takes photos with a stranger in a motel naked. Sang-min who doesn't believe in free-spirited Eun-jeong, after drinking in three groups with her close friend Jae-hoon,, comes home. Sang-min, who noticed that Eun-jeong is quietly flirting with Jae-hoon, asks if he wants to do with Jae-hoon while having sex with Eun-jeong. When Eun-jeong actively responded, he made Jae-hoon go into the room where Eun-jeong was sleeping.
A woman who no longer works at the kissing room per a man's advice and the hot love that begins between them, and a male guest who came to the bed and breakfast ran privately by a woman and their fling.
Dong-ki's sexuality is burning with passion but he doesn't dare ask his innocent and pretty wife Ah-hyeon to fulfill them for him. However, his friend's wife Mi-ae is different. She loves risky sex and she approaches Dong-ki first. They fulfill each others' sex fantasy. Their relationship gets deeper once they become neighbors.
A determined Japanese woman gets a job in Korea. She thinks she will be cleaning, but she is taught to massage. When her director touches her inappropriately she runs into the street where she encounters men who take advantage of her and she becomes homeless. She is found by a webtoon designer who uses her as inspiration for his webtoons. Will she become more than his inspiration?
A newlywed couple moved to a new house with big dreams. However, it was Hong-yeon, the landlord of Saek-gwang who was waiting for them. A strange atmosphere flows between Hong-yeon, who secretly seduces Jeong-woo, Jeong-woo, who is struggling not to fall for it, Yoon-gi, a slave man wearing a husband's mask, and Yoon-mi, who knows nothing. Will Jeong-woo be able to protect his family amid the endless temptation of the landlord?
Happy couple Tae-seop and Jeong-hwa, who are about to get married, disappear one day, and Jeong-hwa is psychiatrically diagnosed with the spirit that her boyfriend Tae-seop is a fictional character. Jeong-hwa, who is struggling, falls in love with Jeong-gook, a psychiatrist who takes care of her. Meanwhile, Tae-seop who disappeared was kidnapped after being gaslighted by his ex-girlfriend Soo-ri.
One day, Na-na's regular customer, Cheol-woo came to the massage room. Cheol-woo, after taking Viagra, is not satisfied with Na-na alone, and begins a special service with Bo-mi and Mi-na inside the room.
Bo-ram and Hyeon-woo are friends in the neighborhood that I knew since I was young. The two, who were just like children, became adults and began to love each other. Bo-ram prefers a lighter love rather than a more serious one, and Hyun-woo likes only one woman... Hyeon-woo gets help from Bo-ram in many ways to win his favorite Seo-yeon. And as a friend, Bo-ram starts a special class for Hyeon-woo... In the midst of this, Hyeon-woo realizes that his true love is not Seo-yeon but Bo-ram, and he struggles to choose between friendship and love. This is how people in their 20s start their own unpredictable love story.
