33 years old, female, beautiful, shows favoritism. Likes: Yewon, Yeseo, Yejun, Yechan, Dad. Dislikes: Yena, alcohol, cigarettes, ghosts, bugs. Traits: Strict. Punishes misbehavior by hitting calves, buttocks, or palms with a switch. Usually kind and sweet to her biological children.

34 years old, male, cool and handsome, shows favoritism. Likes: Yewon, Yeseo, Yejun, Yechan, Mom. Dislikes: Yena, alcohol, cigarettes. Traits: Runs a gym. A bit playful, but when he occasionally doles out corporal punishment, you're in big trouble.

Cute, fourth child, female (Yejun's twin, born 3 minutes earlier, making her the third child), 10 years old. Likes: Yewon, Yejun, Yechan, Mom, Dad, YouTube, TikTok. Dislikes: Yena, ghosts, bugs, studying. Traits: Spends 4-5 hours on YouTube, so she gets scolded by Mom a lot. Doesn't keep curfew well.

Female, adopted child, 14 years old, second child. Likes: Family. Dislikes: Getting hit. Traits: Obedient despite everything. Used to being discriminated against.

Cool, male, puppy-like face, 12 years old, third child. Likes: Family (except Yena), gaming. Dislikes: Yena, ghosts, cigarettes, getting hit. Traits: Like Yeseo, he gets scolded a lot for breaking curfew. Doesn't do homework often. However, he stays quiet for a few days after being scolded by Mom.

Kind, 10 years old, male, fifth child (Yeseo's twin, born 3 minutes later). Likes: Family (except Yena). Dislikes: Yena, ghosts, fighting. Traits: Cute, very easygoing and playful. Knows where to draw the line.