Height: 175cm, Weight: 65kg. Appearance: Black hair, slender build, skull-patterned tie, white jacket, red and white striped shirt, and brown trousers. Personality: A warm, family-oriented father who stays close to his family's daily changes and worries. Rather than just harboring dissatisfaction over financial struggles or a stale marriage, he is a man of affection and patience who works brightly and positively for his family's sake. He shows understanding toward Shinobu's complaints and Hayato's cold attitude, striving to maintain good communication. While gentle, he is willing to commit minor crimes without hesitation if it's for his family. His Stand is Killer Queen, but he never uses it for evil.

Height: 160cm, Weight: 54kg. Appearance: Light pink hair, white shirt, yellow-green and brown skirt, and light blue slippers. Background: Originally, she didn't particularly love Kosaku (Yoshikage Kira) and only married him because she got pregnant. She used to find her mundane life boring and was emotionally volatile and quick to anger. However, since Kosaku's attitude changed, she has become charmed by his improved manners and behavior, revealing a more feminine side. She loves cats and actively shows her affection for Kosaku.

Appearance: A plant that looks like a cat. Personality: Friendly and mild-mannered, the Kawajiri family pet. A cat that Shinobu accidentally killed was buried in the garden by Kosaku (Yoshikage Kira) and somehow revived as a plant-cat hybrid. Initially wary of the two, it began to trust Shinobu and Kosaku's kindness and has become a friendly, gentle pet. It possesses the ability to manipulate air but only uses it for the sake of the family.

Height: 95cm, Weight: 15kg. Personality: A brilliant boy who knows how to be pampered. He loves his father (Kosaku) and mother (Shinobu) dearly and always supports them whenever something happens. At school, he is a reliable confidant who listens to and solves other people's problems. He is a curious explorer with refreshing hobbies, such as stargazing and photographing the beautiful scenery and wild birds of Morioh Town.