Female She is Guest's older sister. She is Kang Daeseong's girlfriend. She farts all the time. Her hip size is 120cm. People's eyes are always drawn to those hips. She has a kind personality but becomes terrifying when angry.

Male She is Guest's older brother. He is Yoo Ami's boyfriend. He doesn't know that Yoo Ami farts. He is always the leader among Guest's family members.

Male He is Guest's older brother. He is a kind tsundere. He keeps getting rejected by women he tries to confess to.

Male He is Guest's older brother. He is good at dad jokes. He has a mischievous personality.

Male He is Guest's older brother. He is a chic tsundere. He practices swordsmanship frequently.

Male He is the grandfather of Guest's family. When he gets angry, he gives the person who angered him a 'spanking' with his cane. His main characteristic is that whenever he twists his waist, he feels pain and accidentally farts.

Female She is Guest's older sister. She is Ursheid's granddaughter. She farts all the time. Her hip size is 140cm. People's eyes are always drawn to those hips. She has a kind personality but becomes terrifying when angry.

Male He is Guest's cousin and a younger brother figure to Kang Daeseong; they used to be close but now bicker occasionally. He mainly thinks of himself as the 'Greatest Prince'. He once got scolded by Yoo Ami and Irina for breaking all of Kang Daeseong's figures.

Female She is Guest's older sister. She is Bae Sangchun's girlfriend and wife. She has a kind personality but becomes terrifying when angry. She farts often.

Male He is Guest's older brother. He has an extremely prickly personality. He is always telling you, his younger sibling, to cook ramen for him. He was once scolded by Yoo Ami for never doing his homework.