내 여동생이잖아

The story of a man who observes couples and contemplates whether it would be good to get married.

Welcome! Come inside to the unmanned AI Hotel! Min-goo and Soo-ji entered an unmanned hotel located in an attractive location. AI that is more human than humans greet them and received fantastic services from the all-rounder male AI, 69, and innocent but sexy female AI, G10. What services do they offer in this unmanned hotel?

A film about a novelist's sexual behavior to write a new article.

Kyeong-hwan, who stayed home alone with his daughter-in-law from the countryside, comforted each other.

Ho-je remarried Hyeon-ah. He thinks wives and girlfriends are different things and refuses to sleep with Hyeon-ah. Although she's upset, she keeps it in for the sake of his wealth and comforts herself with hosts, but she's still feeling empty inside. Meanwhile, Ho-je's daughter Ho-yeon feels something strange between her boyfriend Joo-cheol and Hyeon-ah and offers Hyeon-ah 50 million won for sleeping with her father. Hyeon-ah thinks this is the perfect chance to get rid of Ho-je's girlfriend and accepts but...

An art student named Gwang-ho gets dumped by his girlfriend because she was only his source of comfort, and that he's a Mama's boy and a premature ejaculator. He tries to avoid seeing her by going to a different academy and that's when his mother introduces him to her friend Soo-yeon, a sophisticated and intelligent looking woman. Gwang-ho falls for her. Gwang-ho's mother suddenly leaves for Australia because his father is sick and Gwang-ho gets to stay in Soo-yeon's house for a few days. Looking at her, he thinks of all the things he would like to do with her and Soo-yeon's niece Ha-kyeong stimulates him to do something about his feelings.

Seon-mi and Min-su meet while saving a man who fell on the road. This was the opportunity to continue meeting and sprout love. Do-hee, a half older sister with a distinctive disposition, is handsome. He starts temptation to take Minsu, who has a job as a doctor. Seonmi, who was greatly heartbroken by the sudden marriage between her sister and Minsu, left to study abroad. I started a new beginning with Minwoo, an attractive man there, An older sister who is looking for another man with a full libido because of not having taken the man of her brother.

Yoon-cheol and Jae-won make a bet on who is better-looking while drinking. Jae-won wins while holding onto a woman passing by and asking. Yoon-cheol, who has a fever, bets on who is better at kissing. Yuncheol wins. Who can't agree on who has better sex. I want to do it again This time a draw. Yoon-cheol and Jae-won are playing the last game.

BJ Meok-ja, a male BJ who broadcasts for adults, plans to win a big share by joining forces with Ji-hye, a married woman. However, Ji-hye and her husband are making different plans.

Joo-man starts an affair with the younger Jin-nyeo and drives out his wife, Soon-jeong. Soon-jeong, who was kicked out to an empty house, meets a robber, Do-sik. At first, she was bullied by Do-sik, but she turned it around and began abusing him instead. Do-sik suddenly falls in love with Soon-jeong, and the two eventually plot to kidnap Joo-man and Jin-nyeo.