어린 누나 4

Mi So, who broke up with her boyfriend, goes down to the countryside to see her college senior, Myeong Hwa. Myeong Hwa, which was popular in college, are still popular with men, running a pension with the wealth inherited from their parents. Myeong Hwa is enjoying with two men, rich boyfriend Gye Yeong and the young Jae Sik. When a young and innocent smile appears, the two men are in favor of Mi So. Mi So first seduces Jae Sik, who is the same age...

Dae-jin, who was tutored by Min-young, Soo-jin’s junior, because she made a speech mistake with her college junior, Su-jin, hurts her pride that Dae-jin is being tutored by her younger brother for a long time. Dae-jin reveals this to his close junior, Soo-jin’s classmate, Min-ho. In fact, Minho is Sujin’s ex-boyfriend.

The female boss of adult products opens her own personal channel, thinking that if she introduces her unique experience of sexual masturbation through YouTube, it will attract attention. From product planning to product production, she talks about various episodes and succeeds in establishing herself as her popular YouTuber. The episodes she unraveled vary from an unusual part-timer who tests her products first, including the experience of having sex with her customers at her supply shop, to various stories. ​

Deok-goo lives as a fisherman in a seaside village. He borrowed money from Dong-choon, a private moneylender, but the situation is not favorable. Deok-goo, who came to collect money, begged Dong-choon to give him a week's end. Dong-choon says he will use Deok-goo's wife for a week instead, while Deok-goo, who has no other choice, accepts Dong-choon's request... Blues of human desire and affection living in the background of the beach.

Yoo-bi is a wife who is always lonely because of her husband's erectile dysfunction. Her husband is always thinking about what he can do for his wife, so he hires his co-worker to be his wife's sex partner. But as his wife gradually learns of the pleasures of sex with his co-worker, she begins to distance herself from him.

The manager, who is always suspicious of his wife, Ye-in, tells his subordinate to seduce her to test her loyalty. The assistant manager followed the order, but he succeeded in seducing his boss's wife. However, he tells his boss that he failed. The manager regains trust in his wife, but he is completely unaware of what really happened.

Seo-ra, an elegant woman from Louisiana, U.S., marries businessman Kyeong-han who does anything to make money. Kyeong-hwan was in a relationship with Mi-yeon, who was a bar madam, but after his marriage to Seo-ra, he tells Mi-yeon that he will now live as an elegant businessman. For Kyeong-hwan, however, there was a problem of sexual desire and madness when he saw clothes with no underwear in sight. One day, Seo-ra's biological daughter Yoo-na, appeared at Kyeong-hwan's newlywed house in a short skirt.

Tonight with another man! Seong-kyoon and Soo-ae live together, two people who don't know whether they only live together, or married. Seung-kyoon loves Soo-ae so much that he's been living a modest life One day, Soo-ae tells him that she has a man He finally kicked Soo-ae out of the house, but still dying to see her Seong-kyoon who couldn't stand the situation has to make an important decision...

Childhood friends Hyeon-nam and So-ra are currently attending the same university. So-ra has a knack for Hyeon-nam, but his heart is focused on Eun-bi, a college assistant. La-ik, a cafe owner who dazzles Hyeon-nam, teaches him how to steal Eun-bi's heart.