Jinake Saman is the university moon in the engineering faculty, known across the whole campus as the hottest moon. There was the saying among the campus “Nothing and no one was hotter than Mr. Jin!” One day when his girlfriend broke up with him, he fell apart in despair. He later discovered that the girl who broke his heart was the cousin of law student Bom. Jin misunderstands that Bom and his cousin were flirting when actually he likes Jin. Bom has liked him since he was a freshman one year ago after Jin exchanged Bom’s lunchbox (because he couldn’t eat anything spicy) with his own food and rice. As feelings grow between them, can Jin understand Bom’s true intentions and come to see Bom as more than just a junior?

Jinake Saman是工程学院的大学月亮，在整个校园里被称为最热的月亮。校园里流传着一句话：“没有比金老师更热的了！”有一天，当他和女友艾姆分手时，他绝望地崩溃了。后来他发现那个让他伤心的女孩是法律系学生贝·博姆的表妹。金误以为他和表妹在调情，其实他喜欢金。一年前，金用自己的食物和米饭交换了金的午餐盒（因为他不能吃任何辛辣的东西），金从大一开始就喜欢上了金。当他们之间的感情越来越深的时候，金能理解Bom的真实意图，并且把Bom看成不仅仅是一个小三吗？

Na-hee, who has always liked Tae-seong, who is caring and kind, sneaks into Tae-seong’s house. When Tae-seong finds out that both Na-hee and Mi-yeon liked him, his behavior changes immediately. He sends Na-hee away and brings Mi-yeon, who likes him, to his house. Mi-yeon, who doesn’t know anything about his relationship, gladly accept his invitation to come to Tae-seong’s house.

Seon-kyeon lives and works in a secluded and isolated guesthouse, where he rarely sees any guests except for visits from his girlfriend Yoo-min, who comes to play. One day, something suspicious and strange starts happening in this lonely pension. A pair of male and female virgin ghosts, a twin who lived in the house and both of whom died without ever experiencing sex, declare war on the couple by possessing their bodies. They have one wish: to be satisfied with an excess of sex to resolve the bitterness of their deaths, so they can finally leave the house without any regrets. To fulfill this, Seon-kyeon endures extreme, intense sex with the female ghost, burning with passion day and night. On the other hand, Yoo-min starts losing her mind after a physical encounter with the male ghost and tells her boyfriend that they should leave, but he is already ensnared by the female ghost's lustful possession.

Min-hyeok received a new tenant while using his house as a share house. One night, she finds Na-yeong sleeping on her front porch. Na-yeong entered the share house on the same day and the two sleep in the living room. Jin-woo came out after washing and Na-yeong woke up. Jin-woo has feelings for Na-yeong who is like four-dimensional... Meanwhile, Min-hyeok notices the strange currents of the two. Although Na-yeong knows Min-hyeok's feelings, he attracts Jin-woo to her room. The story of the dizzying love between two friends to take over a woman is just beginning.

Inexperienced Otis channels his sex therapist mom when he teams up with rebellious Maeve to set up an underground sex therapy clinic at school.

Amanda is sick. Ken is horny.

Yoon-cheol and Jae-won make a bet on who is better-looking while drinking. Jae-won wins while holding onto a woman passing by and asking. Yoon-cheol, who has a fever, bets on who is better at kissing. Yuncheol wins. Who can't agree on who has better sex. I want to do it again This time a draw. Yoon-cheol and Jae-won are playing the last game.

Hyun-seop went to the Philippines to play. Being alone in a hotel at night is so boring that I call for a massage. After I got my massage, I searched my purse for calculation and found out. He thinks that he has stolen while he is in the bathroom and starts to pick it up. Hyunsik, who used to sing a karaoke assistant in Korea, Go to the motel with a helper. Suddenly, she suddenly started to swear and swear to Hyunsik, So surprised, Hyunsik becomes her sex slave.