Jin-woo lives in his friend's house and he likes his friend's sister. Although he has a girlfriend, he's constantly looking for a chance to approach the sister. However, he doesn't get the nerve to do so until he approaches her with the excuse that wearing a woman's panties on an important day brings luck.

Young Older Sister

Min-gyoo, who made a lot of money with real estate, got married early and has a son who is less than 20 years old. But his son brought his daughter-in-law, saying he was getting married this time.

Youngest Daughter-in-law

Tired of married life, the husband turns to his brother-in-law family who is staying at home an a long business trip. The husband, who only washed his fingers for no reason, attracts Casanova to encourage his brother-in-law's affair. In addition, he planned to lay down his brother-in-law's house as bait, but as things went wrong, his wife fell into Casanova's hands. The husband can't let go of his anger. When he confessed that to his sister-in-law and threatened to divorce, she said she would do anything for her good sister. The husband, who suddenly got a double income, slowly zips down, hiding his joy.

Sister Rice Bowl: Sister-in-law Hunting

Middle-aged couples in the lower house keep losing sleep due to the noise upstairs where a newlywed couple spend hot nights together. The level of noise always escalates, and the man downstairs who can't bear it anymore runs and knocks on the door, but the newlyweds became silent. Middle-aged couples who want to have their revenge had sex with their own loud voices, but they can't fool their age. She's mad at the guy who's been knocked out before he even reaches his peak. The war of nerves between the two couples is getting fierce.

Yours, Mine, All Mine

High school classmates So-ra and Ha-neul go to a pension with their boyfriends Sang-woo and Si-hoo. On the first night at the pension, So-ra's drunk boyfriend Sang-woo enters the wrong room and ends up having sex with Ha-neul. Meanwhile, So-ra, who fell asleep first, wakes up, looks for Sang-woo, and hears the sound of the two having sex. Losing her temper in her revenge, So-ra seduces Ha-neul's boyfriend Si-hoo, who is also drunk and asleep in living room, and has sex with him as well.

Occasionally Swapping

요정신부

Jeong-jin who happened to visit a female junior's house, falls in love at first sight with Hee-seong's mother, Mi-joo.