Si Hoo

Jin-woo sees Seo-yeon and Dong-hyeon together and makes fun of the two. Annoyed with Jin-woo's jokes, Seo-yeon leaves but Dong-hyeon bit Jin-woo's words and misunderstands Seo-yeon's liking for him. Jin-woo starts teasing Dong-hyeon excitedly. Dong-hyeon who is clueless about anything is excited about his relationship with Seo-yeon.

Seo-yeon likes Jin-woo, her friend since high school. She is satisfied with their current relationship where she hides her feelings and stay as a friend. Jin-woo is not greedy because he didn't have a girlfriend for a long time. Dong-hyeon, who secretly likes Seo-yeon, knows that Jin-woo and Seo-yeon like each other, but he doesn't say anything. As time went by, Dong-hyeon found out that Seo-yeon was unlikely to like him, and asked Seo-yeon to sleep with him because she will connect him to Jin-woo. The two men's mixed love between a woman is just beginning.

Two men who love one woman. Every time, Seo-yeon chooses to have a relationship between two men every time. Jin-woo and Dong-hyeon compete while waiting on Seo-yeon. She doesn't think the relationship is strange. In fact, there is a reason for making unwanted choices between the two... who will be the last man who will win Seo-yeon's love. The never-ending love story of young men and woman is just beginning.

Da-hee and Min-soo, who seem to be a good couple, eat together and take a walk. They are always seen holding hands and taking a walk, so people envies them on the street. In fact, Da-hee had a husband. A mysterious man who comes after her husband goes to work... Da-hee's love story, who walks a dizzying tight rope between two men, is just unfolding.

Drunk Min-woo and Jae-hyeon attack Na-yeon's house. There, Jae-hyeon confirms that he likes Na-yeon. Min-woo secretly enjoys sex with Na-yeon, knowing that Jae-hyeon likes her. When she learns that he likes her, Na-yeon tries to use her heart... she is happy without knowing anything.

Private secret of Na-yeon and Min-woo, the teacher who teaches herself from old times! As Min-woo's grades go up a lot, Na-yeon invites him to her house for a special class. Usually, she is a calm teacher, but her personality changes whenever she touches her body. Meanwhile, Na-yeon had another student named Jae-hyeon, who knows the relationship between Na-yeon and Min-woo and is jealous, but only enjoys the current situation. A special private tutoring class for two students and a female student, which is secretly conducted, is just beginning.

Jun-ho and Da-hee bumped into each other on the street. The two fell in love and confides with their friend Min-soo. Knowing that the two will miss each other, Min-soo spends his last sweet moment with Da-hee, his sex partner, and arranges a place for them to meet. The hot story of Da-hee's choice between two men who think that friendship is the most important, is just beginning.

Da-hyun, the youngest of the three sisters, usually follows her brother-in-law well. When the youngest sister-in-law said that she found a boyfriend, brother-in-law Jun-seo congratulates her and prepares dinner. The next day, Da-hyun's boyfriend Jin-goo, goes to her house to thank her. Upon arriving, Jin-goo witnessed a shocking scene...

Mi-yeong, who lives in the backhouse comes between the strong friendship of Deuk-chan and Cheol-soo. Mi-yeong is usually blunt and cold, but in bed, it's a different story. Deuk-chan approaches her with love, but Cheol-soo only wants to remain sex partners with her. Meanwhile, Deuk-chan who loves Mi-yeong had an old sex partner, Hee-jin. Cheol-soo shows interest in Hee-jin. The love story of two youthful men and women begins...

One day on the street, Mi-yeong greets Deuk-chan then he made a fuss, wondering if he likes Mi-yeong. Whenever he is having sex with Hee-jin, thoughts of Mi-yeong comes to him... Then one day, his friend Cheol-soo sets up a blind date. A few days later, the blind date happens and the woman who came is none other than Deuk-chan's dream, Mi-yeong. As soon as they meet, they go to the motel... Mi-yeong who is usually blunt looks so different in bed. Deuk-chan loved that Mi-yeong who finds eating harder than having sex. There's a subtle air between the two...