I am a teacher! And you are a student! During school days, the first girl Daebeom fell in love with was a practice teacher. He hit on her daringly but she did nothing but treat him like a child. Grown up Daebeom always wants to see her again and one day he heard news that she will attend this alumni reunion. Daebeom decides to seduce her at the reunion. I should sleep with her!

Sung-hyeon reunites with first love, Jin-hye at a class reunion.

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!

Min-ho and Jeong-il end up working with each other's wives one day. As time passes, the men feel attracted physically to their friend's wives. In the end, Jeong-il suggests to Min-ho, "Let's not take sides and just be happy as the four of us!" They start swapping each other.

A truth tale about "Oligosaccharide" written by Crocodile Man. One 'Geun-hyeok' and ten 'Mi-jeongs' put on a sexy adult fantasy! Geun-hyeok and Mi-jeong switch bodies after they have intercourse. Mi-jeong asks Geun-hyeok for something as she's about to get married... Mi-jeong is a call girl who seduces Geun-seok. She's actually a killer. What is she? Tae-sik only drinks black coffee and Mi-jeong likes him. Will they come true? Tae-sik is a loser who uses his wife to rip money off of other men. Geun-hyeok loves her. What will happen to them? What if someone is watching me? Mi-jeong asks detective Geun-hyeok for help... "I have a wife!" Geun-hyeok drinks with his sexy superior Mi-jeong and thing happen. Mi-jeong and her husband have a pile of debt. Mi-jeong goes to her friend Geun-hyeok who can foresee the future. Geun-hyeok is perfect and Mi-jeong loves her husband but she can't help feeling unsteady. Tae-sik leaves on a suicide journey and meets Mi-jeong. They fall in love...

During the late period of the Joseon, Jae-won, Man-ki, Deok-ho and foolish Chil-deuk are the only ones at the village school. The school is going through a rough patch so the school teacher visits his girlfriend the gisaeng and suggests to his students that they bring in female students. So-hyang and the other girls brighten up the mood of the school and more male students sign up. Yeon-hwa is jealous of Jae-won and So-hyang who fell in love with each other at first sight. She confesses her love to him but he doesn't give her any attention so she tells him So-hyang's secret. On the other hand, the teacher's wife is surprised to see a man wearing a mask peeking at her body but is surprised to the see the size of the hole in the pumpkin he dropped. Not happy with her husband's night skills, she calls in the male students one by one to find out but the pumpkin belongs to no one... To whom does the hole belong to?

Seong-jin, the so-called expert of theory, who learned about women through text only, feels the thrilling excitement whenever he sees his academic advisor professor, Mi-ae. However, Mi-ae keeps ignoring his courtship, telling him to come back after growing up. He felt stuck and helpless and ends up revealing his distress to Yeon-hwa, a novelist who has recently moved to his next door. To his surprise, she says she will teach him about women and begins tutoring him with the real life lessons from kissing to sex.