Invitation Girl 3

Eun-mi and her husband have been married for 5 years, but they rarley have sex. Eun-mi goes through her SNS one late night and finds a post about 'invitation girls'. After thinking about it for a few days, she signs up for it and gets invited by Hyun-ji and her husband for a new and stimulating experience. Eun-mi shared her experience with her husband and 'swaps' with Hyun-ji and her husband....

A man prepares a surprise for his wife on their 5-year-anniversary. One day, a couple, a man in the middle of a divorce and his mistress, come to visit. An entangled romantic web ensues.

"Yongju Valley Legend" Mina, who was known for her sexy looks and best sex techniques in the past, made a comeback with "Yongju Valley Clinic" again after five years. As the rumors that the sex treatments here are effective, erectile dysfunction, premature ejaculation, perverts, etc., men with problems come from all over the country. Finally, "Yongju Valley Legend" Mina's 3 sex treatments are revealed...

Ji-seok, who raised her daughter Yoon-jeong by herself has had troubles that she cannot talk about. He's just looking to tell his daughter that he has a woman to marry. Since the bride-to-be Soo-jin is of the same age as her daughter, Yoon-jeong is afraid of opposition and cannot speak. Ji-seok finally asks for help from his daughter's boyfriend, Seok-joo, who came to play at home...

Hyun-bin works as a chauffeur for Dr. Min-cheol Jang's house. The pay is high and the work is not difficult. Hyun-bin introduced her girlfriend Da-jeong at the request of Dr. Jang's secretary Soo-hyeon. Dr. Jang, a genius, regressed to a mental age of around 20 years of age due to a sudden shock three years ago. In particular, sexual repression has led to delusions of damage, and sexual misconduct is being expressed. Da-jeong jumped on in into the good news and good pay, and starts taking care of Dr. Jang...

Park Sang-tae, who started the business with the help of his wife's family, secretly enjoys a secret relationship with Mi-yeon, Secretary Yeo, at the office whenever she has time. Seung-gyu, the training secretary, will be asked to film a video clip of an affair that will be used as evidence for divorce by President Park's wife, Hye-yeong. Seung-gyu, who was inwardly fond of Park's infidelity, changes his mind. Will Seung-gyu, who became a team with the president's wife for love, get Mi-yeon's love?

Daughter Soo-hyeon is living a fun life with her mother Eun-mi. Then suddenly, a strange thing happens to mother Eun-mi and daughter Soo-hyeon, whose bodies changed. The two are forced to play the role of mother and daughter. Then, when the mother and the daughter have sex with each other's partners, they try to have more intimate and stimulating sex.

Mi-na, a female college student who lives with her sister, secretly works in a bar as a part-timer to buy luxury goods. Mi-na, who goes to the bar as usual, greets her brother-in-law as a guest in the room and leaves as if running away. Mi-na asks her sister to keep her secret and seduces her brother-in-law...

Na-na, the only daughter of a chaebol is heartbroken because of her husband's affair. Even if she already caught his husband cheating, someone interrupts so she couldn't enter the scene. That person is no other than Jin,yeong, the husband of the woman with the same situation as hers. The two try to heal each others' wounds and became fond of each other. Nana falls in love with Jin-yeong who has a smaller tool than her husband, but is more considerate...

Scammers Jin-gyoo and Yoo-ri are planning to meet Jeong-mi and Ho-yeong, who run a pension in the suburbs. He takes the target and approaches the couple with a film director and actress concept. Jeong-mi becomes interested in the movie director, and Jin-gyoo encourages her to make tens of times more profit by investing in her film. When Jeong-mi and Ho-yeong hesitated, Yoo-ri, pretending to be an actress, seduced Ho-yeong and Jin-gyoo seduced Jeong-mi and eventually received investment.

The story of two sisters born with different bodies. Older sister Soo-hwa who failed with her business lives with her younger sister, Bo-hwa and his husband. Soo-hwa's husband Ki-hyeon confides in Bo-hwa's husband, Seong-goo everytime they have sex, worrying about Soo-hwa's coldness. Seong-goo on the other hand says that Bo-hwa is more passionate, suggesting for them to change partners...

Min-ho, who is newly married, works for a small business. But all of his colleagues have been promoted but he is the only one left as a manager. For Min-ho, there suddenly had an opportunity. The president of the company moves right next door, had meal with him and his wife, and Min-ho gets closer to the boss. The drinking party gets hot and Min-ho gets drunk, so the boss seduces Yu-mi with Min-ho's promotion as bait.

Hyeon-soo's younger brother Kang-tae visits the house of Hyeon-soo and Min-jeong, who are enjoying their honeymoon. Min-jeong is in favor of a kind Kang-tae. Kang-tae consults his junior, Na-hee, that he seems to like his sister-in-law. Na-hee says to get over himself, but Kang-tae actively seduces Min-jeong...

Na Joo-ri and Ahn Joo-ri have been friends since high school. Two people with the same name but opposite personality, Jal-joo, a married women who enjoys free sex, and Ahn Joo-ri, who keeps her virginity before marriage. Yong-jin, who promised to marry Ahn Joo-ri, has yet to have sex. The frustrated Yongjin tries the first night with Ahn Joo-ri with the help of Na Joo-ri.

Jong-tae and Eun-mi, were invited to the housewarming of Seung-gyu and Yoon-hee. Seung-gyu learns that his senior's business is almost on the verge of bankruptcy. Seung-gyu suggests staying together for a while to his senior who was vigorously frightened to avoid the debtor. After a few days, the couples get to drink and play a wish-making game. Seung-gyu, who won the game, offers a swapping offer...

Couple Hee-joo and Woo-seok, who are in good harmony with each other, become increasingly provocative sex addicts. Unknown to Hee-joo, Woo-seok offers watching sex to his senior Jong-gyu, and Jong-gyu gets a thrilling experience. After having a taste of "spectator sex" Jong-gyu secretly meets Hee-joo and his girlfriend Mi-seon and the three of them have sex.

One rainy night, Myeong-joo hits Yoon-bong in an alleyway. Myeong-joo, embarrassed, takes Yoon-bong to her sister's house, and Yoon-bong wakes up thanks to the sisters' sincere care, but has no memory at all. Yoon-Bong who lost his memory, is deceived by her older sister Ji-seon he was her boyfriend and starts to fill her lust by having sex every night. Kang-tae begins to actively seduce Min-jeong...

Jeong-gook, who runs a private business, only looks at his son after he got hurt. Seong-sil came as a tutor when Jong-soo became a high school student. Jong-soo, who had no mother, follows Seong-sil as a teacher, sister, and mother. Jeong-gook, who watched this, gradually grows in love with Seong-sil, and the two start a family based on marriage. Jong-soo has already loved Seong-sil as a woman, not a teacher. What will be the future of this family...