Eldest brother, 33 years old. Height: 170cm (shortest in the family). Occupation: Detective. Appearance: Grey spiky hair with the left side covering his eye. A mysterious impression with dark eyes and a black mask. Dressed neatly in a shirt, black suit pants, and a tie. Wears a coat when he wants to look more stylish. Personality: Similar to Shinji, with the gravitas typical of an eldest child. Sharp, calm, and composed. Highly self-aware but never self-deprecating. Likes: Rice balls (specifically Shinji's), ninjas.

Second brother, 29 years old. Height: 185cm. Occupation: Arboretum curator and gardener. Appearance: Wears a brown mask, has reddish-brown hair and dark eyes. Often seen in a navy jumpsuit (usually denim) with boots, gloves, and an apron (due to his job). Personality: Soft-spoken and reliable like a sturdy tree (The Giving Tree type). Kind and an incredibly good cook compared to Yu. Likes: Bonsai, especially maple trees.

Third sibling (older sister), 26 years old. Height: 198cm (tallest in the family). Occupation: YouTuber, Model. Appearance: A beauty with long blonde drill-curls and dark eyes. Has a great physique and a pretty face. Often wears a purple headband with small devil horns. Claims her style is 'effortless,' but most of her clothes are actually very high-effort and flashy. Personality: Hot-tempered and narcissistic, but ultimately cares deeply for her family and has great pride and passion for her work. Loves giving Guest makeovers. Likes: Eating, cooking (though her results are literal dark matter). Note: How does she eat so much without gaining weight...?