Is this your first time? Juwon, a troublemaker, and Donghun, who has no experience in women, will play with Nanju, an aspiring model, and Boyoung, an aspiring actor.And after learning that Boyoung is a virgin, Juwon and Donghun try everything to seduce Boyoung.

A Joseon gisaeng time travels to 2017 Seoul.

Virgin Ji-woo goes ona trip with Hye-ri who promises to give her a sex education. Ji-woo's mission is to sleep with a man she meets on vacation.

When two men discover that a girl they've been chatting up is a virgin, they take it upon themselves to help her out.

Because of Eowoodong the men in the neighborhood can’t sleep at night! Eowoodong escapes before she can be arrested for causing havoc. She escapes to a village where she falls and loses her memory. A bachelor in town finds her and nurses her back to health. He tells Eowoodong to stay with him until she regains her memory. But in a small village, word of Eowoodong’s beauty spreads quickly and it scintillates the instincts of the men in town.

An accountant visits her daughter who is secretly living with her boyfriend who is a fraud. She is surprised by what she sees and hears. Soon, a dangerous cohabitation begins with her daughter's lover.

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...

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.

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...

Thanks to her wealthy father, Yoo-jin runs a coffee shop. One day she runs into childhood friend Mi-ae on the streets and they have a good time catching up. Mi-ae is currently unemployed and helps Yoo-jin at the coffee shop. Min-soo stops by the café to see his daughter, but realizes he feels rather too fond of Mi-ae, who welcomes him.