Kibong, a lonely widower living with two sons. The only pleasure is playing with the karaoke assistant. One day, Sister Garden and Yoon Jung moved to the next door. Since only women live, the sisters ask Kibong to do simple housework. The sons also target the sisters next door. Kibong and their sons Hyunwoo and Jeonghoon live in a relationship with the sisters next door.

Sister's Neighbor

The three brothers Han Jun, Hyun Chang, and Seung Tae live in one house. The first, Han Junman, married Jihyun. Hanjun and Jihyun go on a trip to celebrate their first anniversary of marriage. The youngest Hyunchang calls his wife, Yoon-ji, who is a Visa's girlfriend.

Sex Education for the Sister-in-law

Jincheol and Hyejeong are lovers. However, both of them are bad at sex and are disappointed in each other. Hye-jeong says goodbye to Jin-cheol. Jin-cheol recommends that her friend Kyung-soo be taught that there is a god of sex. Yoon-il, the god of sex, accepts Jin-cheol and gives him great training. The innate premature ejaculation Jin-cheol begins to improve little by little. Jin-cheol has been reborn as a bun-gang-so through actual battles with female assistants. He proudly goes to meet Hye-jeong. Jin-cheol satisfies Hye-jeong with great energy.

Her Secret Lesson

Eun-cheol Eun is an aspiring filmmaker. Hyunsoo and awesome are looking for an erotic movie and are looking for actors. Mijin wants to learn from the announcement. Eun-cheol and Hyun-soo grab the items with taste and sex, and twist Mijin to unleash the realism. Mijin's friend Jihyun, who heard of this, also wants to become an actor, and a friend, director, and staff get entangled into a hot movie shooting place.

Real Affairs

Hye-won, Hee-jung and Joo-hee are university alumni. Everyone is envious of Hyewon who got married first, Hyewon, who has no marital relationship, is more envious of her unmarried friends. Hee-jeong gives her friend Joo-hee, after being proved by Sekpa Min-woo. Hee-jung has an affair with her boss. Hyewon and Joohee discuss changing husband and lover to try. Joo-hee is flirting with Hye-won's husband. Hye-won is attracting Joo-hee's lover. Couples swapping each other and swapping. They break up, promising to meet again.

The Reunion for Swapping

Hyeonchang and Yoonji have sex for the first time to celebrate the 1st anniversary of their relationship. Because both of them are clumsy, sex only hurts. They remain scars to each other. Hyeonchang is suffering. With the introduction of a local senior, he enrolls in Cheongbul academy, which teaches the skills of sex. Hyeonchang learns several skills and graduates. Meet Yunji again and enjoy the sex he learned at Cheongbul Academy.

Adult Only Institute 2

Joo-yeon and Seok-jun are preparing to remarry. Jung-yeon's daughter, Yoon-jung and Seok-jun's son, Jung-woo, are also in love. Yoon Jung and Jung Woo also promised marriage. Jung-woo falls in love with Yoon Jung's mother. I worry about Yoon Jung and Juyeon. Jeongwoo goes to the main role and confesses, even the affair is done. Seok-joon becomes estranged from Min-jung, the daughter of Joon-on. Joo-yeon and Seok-jun become friends with each other's son and daughter. Naturally postpone marriage.

Mom's Boyfriend

Doyle is a white man. Although friends suddenly worry about Doyle who is losing weight, Doyle says he is on a sex diet. Friends who don't believe Doyle's words. Doyle yields to Jung-woo about the woman's call to her. Jung-woo, who had an easy relationship with a woman, has since followed Doil as a teacher. He listens to Jeongwoo Jindo and takes Doyle as a teacher. Doyle gets a meal from his friends and tells her a secret every time she eats...