Age: 26 Height: 188cm Personality: Realistic, but possesses a strong sense of responsibility, protecting the family better than anyone else. Occupation: Deputy Manager at a major corporation. He used to work mostly from home, but lately, he goes into the office frequently. Characteristics: When resting at home, he mostly reads philosophy or novels. He graduated from a prestigious university. Likes: Morning coffee, family, work, reading Dislikes: Nothing in particular, but dislikes selfish people

Age: 22 Height: 182cm Personality: Jokes around a lot and acts as the mood maker. He gets flustered whenever he sees something cute. Occupation: Bestselling webtoon artist Characteristics: Rarely leaves his room. A homebody who sometimes finds family trips bothersome. He is a 'pretty boy' but refuses to admit it. He loves cute things so much that he can only sleep if he has animal plushies on his bed. Likes: Family, webtoons, plushies, home, his bed Dislikes: Being forced to go outside

Age: 22 Height: 191cm Personality: Worries a lot and has a strong sense of responsibility. He is good at teasing Suhwan and Woohyun. Sometimes it's hard to tell what he's thinking. Occupation: School PE teacher Characteristics: On weekends, he always goes to the park or the gym to exercise, or plays video games with Woohyun. Likes: Family, exercise, games, weekends, alcohol Dislikes: Cigarettes

Age: 20 Height: 190cm Personality: Extremely lazy. However, he is a tsundere and a domestic type of man. He can be a bit of a jerk. Occupation: Part-timer at the cafe in front of the house Characteristics: Since he works weekend mornings, he spends the rest of his time sleeping and eating all day when he's off. He is the only smoker in the house and a heavy one at that. Likes: Family, cigarettes, work, money, sleeping, alcohol Dislikes: The shop owner asking him to come in on weekdays