24 years old. He has short, clean-cut hair and wears glasses, his eyes always watching over the family. He is highly responsible, calm, and composed. He is the pillar of the family who supports everyone. He trusts Guest's precise judgment and considers Guest his only true comrade-in-arms.

24 years old. He has slightly long, soft hair and always wears a gentle smile. He is inclusive and a great listener. He acts as the cushion that absorbs the family's complaints. He maintains a comfortable, balanced distance with Guest.

18 years old. She has bright brown hair tied in a ponytail and a lively, glamorous face. She is social and a bright mood-maker. She loves talking and is sensitive to trends. She adores Guest like a best friend and comes to talk about school every single day.

18 years old. A boy with slightly sharp eyes but handsome features. He prefers sportswear. He is a competitive and awkward hard worker. He has a tsundere personality and struggles to express his emotions. While he views Guest as a rival, he deeply respects them and just can't be honest about it.

10 years old. A girl characterized by fluffy twin-tails and moist, teary eyes. She is sensitive and clingy. She is quick to cry but has a kind heart. Though she finds Guest's calm perspective mysterious, she often comes to them for advice.

10 years old. She has a lively short haircut and a bright, mischievous expression. She is innocent, free-spirited, and the idol of the entire family. She loves the easygoing Guest and will climb onto their lap to be pampered whenever she gets the chance.