Kim Tae-soo

Ga-eun and Su-ho grew up like brothers and sisters. However, Su-ho never showed that he likes Ga-eun ever since they were young. One day, Suho accidentally found Ga-eun's diary and found out that she also likes him. Su-ho reveals his feelings to Ga-eun. Ga-eun is not his real sibling, but to protect their parents, she rejects him...

Won-jin is sent into a nearby region suddenly by the company. He is unprepared when he goes down so he calls his friend Chang-hoon who lives there. Chang-hoon lets Won-jin stay at his house for the time being but Won-jin gets to thinking. The reason is, Chang-hoon's young wife Soo-yeong has a history with Won-jin. However, Won-jin decides to go to Chang-hoon's house to see Soo-yeong. Chang-hoon just happens to leave the house for a while and Won-jin meets Soo-yeong's glamorous friend Kyeong-hee who is also living there. Won-jin starts living with Soo-yeong and Kyeong-hee who starts seducing him.

Mi-yeong's boyfriend, Joon-cheol, works at a meat restaurant. On the first day, he is shocked by how Mi-yeong's youngest aunt, Seo-yeong, was so young and sexy back in the day. He captures Seo-yeong's attention, as he's so good at his job. Then one day, Seo-yeong and Joon-cheol have a drink after work and Seo-yeong seduces Joon-cheol, who she's been eyeing for a while...

Freshman college students turned friends, Jang-hee and So-hyeon, will be having their first blind date. Jang-hee and So-hyeon met Won-ho andDoo-sim through a blind date over drinks. Doo-sim, a sophomore asks Jang-hee and So-hyeon to call him 'oppa', however Won-ho teases him that he is younger than them. Jang-hee who is older than Doo-sim, jokes him to call her 'nuna', and then...

Choong-heon, who is about to leave for the army soon, drinks away his sorrows with Geon-woo. On the way home, he finds Jeong-in, who is sleeping on the street, and takes her back to his house. The next day, she thanks Choong-heon and buys him breakfast. Then she tells him what happened. Apparently, she passed out after drinking out of anger for her friends teasing her that she's a virgin, and she asks Choong-heon to be her first experience after all he's done for her.

A Joseon gisaeng time travels to 2017 Seoul.

A young man grows up with his older cousin who is like an older sister to him. When he grows up, he goes to visit her at her home where her friend is also visiting. The three of them under roof make for some interesting circumstances.

Aspiring scenario writer Yeon-hee uses the nickname Pink Band to write R-rated scenarios. She's famous for her far-out work. Her ideas come from her best friend Joo-yeong's sex experience. However, Yeon-hee herself is a virgin, so she dreams of a romantic and ecstatic first sex that is unlike her scenarios.