애인 : 아내의 남자

I am a teacher! And you are a student! During school days, the first girl Daebeom fell in love with was a practice teacher. He hit on her daringly but she did nothing but treat him like a child. Grown up Daebeom always wants to see her again and one day he heard news that she will attend this alumni reunion. Daebeom decides to seduce her at the reunion. I should sleep with her!

Hyeri and Ji-yeon are friends in the same neighborhood. They have a son to go to the army after some time. One day, Min-gu, who was playing at Jun-suk's house, sees Jun-suk's mother Hyeri in the shower and gets excited and hits her. Hyeri, who initially resisted, gave up resistance to Mingu's power, and after that day, the two develop into sex every time they have time. After a few days, Ji-yeon, who accidentally witnessed her son Min-gu and Hye-ri having sex, begins to seduce Hye-ri's son Jun-seok.

A university student travels to a popular resort in the mountains for a summer job as a waiter and becomes romantically involved with an older woman from a wealthy family.

If you're a younger gent, your exposure to grindhouse flicks may only be with a Quentin Tarantino film, which is fine-but grindhouse flicks really began in adult cinema and that's what's on display here! Don't let the name fool you. While the moniker might suggest coitus elevated to a transcendent level of Eastern-influenced sexual enlightenment where mind, body and soul come together as One in the act of lovemaking, you can be sure that Harem Hangups delivers a bunch of dudes in genie pants and turbans...but more than its fair share of mindless, clueless, soul-eroding screwing where any glimmer of magic has long since departed.

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...

Young-hee invites her boyfriend, Geon-woo to her home to introduce to her mom. Her mom’s boyfriend also came and the four of them get together and have a meal. After a few days, Young-hee’s mom accidentally found out that Geon-woo went inside a motel with another woman.

Mizuho, who lost her husband in an accident for two years. For her young widow, her father-in-law, Honma, asks her to find a good person, but she is worried that when she leaves, only she, her second son Cozy, and a man remain. The day Cozie brought home his girlfriend Hitomi, Mizuho, who was attracted by the groans in his room to peek into the sex of the two. Eventually, she begins to seduce her master and father-in-law to let go of the bond of reason.

Mi-na enjoys rough sex and she's currently sex partners with Woo-yeong, who she met on a one-night-stand. Mi-na's best friend, Jeong-hee, coincidentally witnesses Mi-na having sex and opens up to a new world. One day, Jeong-hee is invited by Mi-na to watch her having sex with Woo-yeong...

Newly married couple Eun-mi and Seong-soo look ordinary, but they both have their own secrets. Eun-mi enjoys calling her boyfriend to her home while her husband is away on work and Sung-soo enjoys watching his wife have sex with other men through the CCTV in his house. Not being able to get over the excitement he feels by doing that, he tells his wife everything and suggests she has sex with another man again...

So-yeon is on a weekend date with her boyfriend, Ji-seok, and then she invites him to her house to save money on the motel. Her step brother, Sang-woo, comes home earlier than expected and sees them having sex. He records them secretly and plans to blackbail So-yeon with it.

Jung-tae has become a successful businessman. One day, he calls for a substitute driver, but the driver was Min-goo, the man who married his sexy crush, Yoo-ri. Jung-tae still hadn't forgotten Yoo-ri and learns that life if tough for this couple. Jung-tae suggests something to Min-goo and that is to let him live with Yoo-ri for a year in return for 300 million won and his house.