Hyeon-joon, who was rejected by his ex-girlfriend because he couldn't kiss, met his new friend, Seon-jeong, and after hearing advice from Seon-jeong, Hyeon-joon leaves in search of a kiss teacher.

Hwa-in, a beautiful woman who ran a lighting shop at a young age, woke up in the forest. She lost all her memories in an instant... and while being hit by the rain, as if drawn by her instinct, she enters a luxury mansion. One woman and two men greet her. She beings to feel fear from the man who sneaks and peeps at her as if she's being stalked.

In Hwa and Jong Soo, who lived an ordinary daily life, face a crisis in their relationship when sister-in-law and Hyun Ah suddenly appears one day. In the past, the sister-in-law had a relationship with Jong Soo, perhaps because of that, In Hwa became more and more hateful of her younger sister.

The story of a man who observes couples and contemplates whether it would be good to get married.

Welcome! Come inside to the unmanned AI Hotel! Min-goo and Soo-ji entered an unmanned hotel located in an attractive location. AI that is more human than humans greet them and received fantastic services from the all-rounder male AI, 69, and innocent but sexy female AI, G10. What services do they offer in this unmanned hotel?

Kyeong-hwan, who stayed home alone with his daughter-in-law from the countryside, comforted each other.

Seung-hee lost her parents when she was young and is raised by Joon-seok's father. Years pass and Joon-seok and Seung-hee get married and become a couple. Realizing that he married out of familiarity, Joon-seok meets a new woman. Seung-hee knows that Joon-seok is cheating on her, but she doesn't want to see Joon-seok and her lover happy with each other, so she persists. Seung-hee, who was somber, became acquainted with a photographer she met by chance. The two spend happy days, and Seung-hee decides to divorce him.

The story of two sisters born with different bodies. Older sister Soo-hwa who failed with her business lives with her younger sister, Bo-hwa and his husband. Soo-hwa's husband Ki-hyeon confides in Bo-hwa's husband, Seong-goo everytime they have sex, worrying about Soo-hwa's coldness. Seong-goo on the other hand says that Bo-hwa is more passionate, suggesting for them to change partners...

Joo Seung-gi and Yoo Ah-rin desperately have sex several times a day to have children, but they were not pregnant, so they were tested, and the result of the test was Seung-gi's infertility. After much consideration, Seung-gi asks his fiery friend Yoon-woo to have a relationship with Ah-rin, and after persistent persuasion, Ah-rin and Yoon-woo have a relationship. Afterwards, Seung-gi began to doubt the relationship between Yoon-woo and Ah-rin...