18 하라의 맛있는 수업

Min-soo and Jae-hyeok is in a good father-and-son relationship. But one day, Min-soo brings Jae-hyeok's young stepmother, Da-hee. Jae-hyeok leaves home to wander around, ran into Da-hee's friend, Na-yeon, and had a little talk. Na-yeon calls Da-hee... Da-hee goes home with Jae-hyeok, and Min-soo doesn't care much. Jae-hyeok tells Da-hee how he feels. Meanwhile, Min-soo who disapproves Da-hee and Jae-hyeok's relationship, calls Na-yeon to kill some time. And Na-yeon who is worried about Da-hee and Min-soo crafts a new plan...

A high school girl gets molested by her mother’s current lover. He is a sleazy detective working on the yakuza drug trade. The girl runs away from home but returns five years later with a newspaper article describing her mother’s apparent suicide. Within the corruption of a decaying shipping port she is determined to find the truth behind her mother’s death and what happened to her younger sister who had stayed behind.

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.

Ancient objects of sensual power are buried all around us, just waiting for a sexy team of Archaeology students to dig them up. When these lusty artifacts are finally unearthed, their erotic energies are released, and any who touch them are seduced by the primal urges of a primitive people who, free of shame or modern distractions, had little else to do with their lives than rut around in the warm sun. Witness the carnal passions of the ancients embodied in contemporary beauties as these sexually charged totems are released into “civilized” society. Will these tokens of fertility find a place in our modern era, or will the unbridled passion they release drag polite society into a quagmire of non-stop, sweaty fornication? Dare you unearth your deepest desires and leap headlong into the Passions of the Lost Idol?

Tommy, who has been unemployed and has been employed after a long time, goes on a date with his girlfriend before he goes to work for the first time, and also bumps into the mill together. Tommy comes home with a lot of disgusting jokes about his girlfriend and wakes up with a man he's never seen before... He ran to Ji-hyeon from dawn, but Ji-hyeon tells him to leave before reporting. How will Tommy deal with this absurd situation...

Ji-seon is living with her sister and her husband after a divorce. Her sister Ji-yeong leaves for a work trip and Ji-seon is at home all alone with her brother-in-law. The two can't hide their sexual passion and they cross the line. Every time Ji-yeong leaves, the two enjoy risky sex...

Choi Kyeong-ri, a job seeker, succeeds in finding a job after a six-month internship, as introduced by her senior Chan-seong. She has no dreams of having such a job as receiving a corporate card of 3 million won per month for decoration expenses. After confessing to Chan-seong, Kyeong-ri and him started dating and lived together. Deputy manager Song, who was usually praised for her appearance, slowly reveals her true colors and receives massage, lesbian acts, and entertains investors, and is caught by Manager Oh. Deputy manager Song who is subject to sexual punishment by Manager Oh in front of Kyeong-ri. Can the bookkeeper, who is actually hired as a waitress, achieve a turnaround in this hell?

A company employee who went to deliver goods at his president's request secretly sees the president's wife masturbating out of loneliness and takes a video of it. She may be distressed when she is caught by her husband's employee, but she becomes more attached to a man who is more compatible with her than to a husband who is not interested in her, and she keeps thinking about that man.

After her mother dies, Young-jae visits her older sister's house, who took care of herself like her, and reunites with her sister, Soon-ae. She is incredibly greedy and charming. With the provocation of Soon-ae, the two develop into a secret relationship. One day when she was having a hot night with her mature lead, her daughter got stuck between the two ... A young and sexy daughter, a seasoned and mature mother, and a man wandering between mother and daughter. An unprecedented triangular romance between the three begins.

Woman 1 (Black Girl) who is kidnapped to a basement by some men and Woman 2 (White Girl) are told that they'd be able to live if they aroused their kidnappers with some erotic stories. White Girl tells them about her cousin who is aroused by high heels but fails and Black Girl tells them about some female soldiers and male nurses who run away from an infectious virus but fails as well. Eventually, just as they're about to face death, White Girl starts cussing and the situation turns wary...

Hae-il and Ae-ra are seemingly ordinary couples. And then, Ae-ra’s younger sister works a normal part-time job. However, these people have a story they cannot tell each other. Hae-il and Ae-ra may seem to be ordinary at first but at night, Hae-il couldn’t reach climax. Even with a husband like that, Ae-ra puts in so much effort, but she’s worried it’s not going her way. And then Ae-ra’s sister, Ha-na said she will be working part-time, but apparently it’s not a normal job. These three people live in the same house just like that. However, Ae-ra wants to escape having sex with her boring and pointless husband. Finally, both Ae-ra and Hae-il dreams of change. However, these changes seem to be getting more and more twisted rather than flow in the direction they want.