Sex Education for the Sister-in-law (2020)

A photographer named Sawamura is jealous of his former disciple Yoshida's success and decides to take revenge on Yoshida's fiance Keiko. Based on the S&M novel by Oniroku Dan.

Roger is a 16-year-old who seeks to lose his virginity in this erotic drama. His initial efforts are unsuccessful, but World War I breaks out and men are seen marching off to battle. Roger goes overboard when he is presented with several amorous opportunities.

大学講師の吉松は駅でセーラー服の少女に一目ぼれする。美しい彼女を尾行する彼は、やがて彼女の家を突き止める。電話帳で自宅の番号を調べ猥褻な電話を掛け、母親と2人暮らしだとわかると、彼は綿密な計画を練る。

Twenty year-old Ki-chan lives alone with his father. One day Yoon-seo (Kim Jeong-ah), his stepmother comes to live with them. She tries to be friendly with Ki-chan but he appraoches her as a woman and starts showing her that. Yoon-seo strongly rejects him but he knows that she wants him too. Their relationship turns into something dangerous. Then one day, Min-jeong, who has had a crush on Ki-chan for a long time, finds out what is going on between the two. The young stepmother fools her husband and falls in love with his son and the son falls in love with his father's woman. They make a deal with Min-jeong to make sure she doesn't say anything.

Painter Ha-rim became blind due to an unfortunate accident. His wife Sun-yeong searches far and low for a cornea donor until she meets terminal cancer patient Dae-geun. These two make a startling and dangerous deal for Ha-rim's cornea.

Seung-gu and Yoon-hye enjoy the honeymoon. The photographer, Seung-gu, sells a glance with his senior cousin who is a neighbor cousin on his way to work. Yoon Hye, who has no hesitation in managing her body, goes to the gym for a workout and hears the breakup of Tae Joon, the PT in charge. Tae-jun, who was living in the girlfriend's house, is kicked out with a breakup, and to Tae-jun, where he can't go, Yoon-hye rents out a room for his newlyweds to cover the repair cost of the ride. Offer your own rent. And their purposeful cohabitation begins…

Joon-hyeok is preparing to pass the exam for 9th rank government worker. Since it is his third attempt, he must pass the exam for sure this time. He becomes to live in a boarding house, which is a part of his father’s extraordinary measures to help his son studying. But what has been waiting for Joon-hyeok in the luxurious house was not the thick text books, but the two free-spirited women. Joon-hyeok begins his cohabitation with Ah-jeong, the owner of the boarding house, who is full of voluptuous beauty, and Dal-lae, a nurse, who exudes sex appeal from both her face and body. Since then, Joon-hyeok starts to spend every night to study women not his books.

I want to spend all night with my friend's wife who is extremely sexy. Jeong-woo is a husband who can't get an erection while his marriage is going down the drain. A friend and his wife from the States suggest a couples trip and Jeong-woo meets his friend's wife Hye-sook who is extremely sexy. His 'package' keeps getting stimlated every time he sees her. He tries to ignore it but every time he sees her, he gets sexual fantasies. Finally, he suggests to his friend, to 'switch' partners...

A lovesick midinette ends up accepting a date with a stranger who buys her flowers every day. Charmed by his playboy physique, she moves in with him and submits to his fantasies.

Takako joins a convent after her lover's wife catches them in the act. She soon discovers that the nuns and a successful writer have conspired to engage in decadent S&M orgies. Based on the novel by Oniroku Dan.

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...

Miss Klein runs a boarding-school. The girls that go there are really "free spirited." They chloroform a peeping Tom, lock two plumbers in the dormitories, strip for a gamekeeper and tease their gym teacher. In class, their biology teacher gets carried away while giving a demonstration of sex positions with the gym teacher. In the meantime, one of the girls makes some exciting alterations to their bicycles to make their rides more enjoyable.

Heon-sub is in his third year of cooking major at the Samjin University. He gets a job at the cooking school run by Jeong-min, who lectures at his school department. From a great looking professor to sexy students who have their eyes on young men, a married woman who tries hard to make things right in bed with her husband and the girl who dumped him right away at the blind date! Heon-sub is the only guy at the cooking club and his adult-rated eating fantasy begins.

Ho-kyeong, Joo-yeong and Yeon-hee are students of an American university who are all pretty and sexy. They either know too much or know too little so they decide to find men who can satisfy them. A lean man who was a former nude model, a younger man who has perfect techniques and a man who thinks very highly of women; these guys start the project!

My parents travel abroad for a month, while Jung-eun, a trainee who lives with her older brother, Jeong-soo. Jung-soo, who watches over Eun-eun from his parents' orders. Jeong-soo goes somewhere, and Jung-eun starts to dress as well. And Jung Eun is starting to wait. I start to practice tutoring and tutoring... Jungeun, who hears the voices of tutoring and gradually closes her eyes. Jung Eun wakes up with a honey balm. Based on a tutor who only knows me as a man. Jung Eun loves such standards. Don't hide anymore, I'm a girl and I decide to confess that I like you and start approaching him as a girl...

Dongchul, who is managing a small bar, is always enthusiastic about his school reunions. One day, Yujin, who has never showed up to a reunion, shows up at his bar. Her baby face and vitality make her unlike other married women and all the men fall for her, especially Dongchul. They start a relationship but it abruptly flames out due to the sudden arrival of Dongchul’s wife. As they get to know each other's secrets, will their love be allowed to grow?

Jang-ho who dreams of becoming a chef is pretty close to his dad Yeong-soo; enough to talk about his girlfriend and they live alone. One day, Yeong-soo tells Jang-ho that he's getting remarried to a Russian woman. Jang-ho accepts this and meets Olga. He is surprised to see a young and beautiful woman standing before him. A few days later, Yeong-soo goes to Russia on a business trip and Jang-ho and Olga get to know each other.

An art student named Gwang-ho gets dumped by his girlfriend because she was only his source of comfort, and that he's a Mama's boy and a premature ejaculator. He tries to avoid seeing her by going to a different academy and that's when his mother introduces him to her friend Soo-yeon, a sophisticated and intelligent looking woman. Gwang-ho falls for her. Gwang-ho's mother suddenly leaves for Australia because his father is sick and Gwang-ho gets to stay in Soo-yeon's house for a few days. Looking at her, he thinks of all the things he would like to do with her and Soo-yeon's niece Ha-kyeong stimulates him to do something about his feelings.

Midori Satsuki plays Tamako, the owner of a boarding house and a pawn shop who gets into some erotic entanglements.

Soo-ji is a skin specialist who experiences retaliatory driving on her way to work and Captain Kwon helps her. Later, they meet at the hospital and start to feel attracted to each other. Soo-ji is tired of living a pretentious marriage life with her cheating husband and falls in love with Kwon...