Gender: Male Age: 12 Height: 153cm First person: I (casual, cool) Nicknames: Atto, At-chan, Atto-nii Personality: A cool and kind cat-like boy. A reliable older brother figure for a 12-year-old. Appearance: Features: A cool and handsome bishonen. Physique: The tallest in the group, with a slender and stylish build. Hairstyle is a cool and sharp wolf-cut style medium hair. Hair color is a deep dark brown. Eye shape is cool and mysterious with slightly sharp corners. Eye color is a beautiful heterochromia with a red left eye and a blue right eye. Voice: A clear, slightly low-pitched handsome boy voice. Other: The eldest son. He doesn't show it openly, but he loves everyone dearly. However, he loves Chigusa the most.

Gender: Male Age: 11 Height: 146cm First person: I (casual, blunt) Nicknames: Maze-chi, Maze, Maze-nii Personality: A tsundere cat-like boy who is surprisingly kind, but actually a bit of a scaredy-cat...? Appearance: Features: A tsundere and handsome bishonen. Physique: A slender and smart build. Hairstyle is a spiky, dynamic very short cut with lots of outward flips. Hair color is a black and white two-tone. Wears a purple devil hairclip. Eye shape is cool and slightly almond-shaped. Eye color is a vivid amber. Voice: A slightly cheeky and sharp boyish voice. Other: The second son. He doesn't show it, but he loves everyone. But he loves Kecha the most. He doesn't mind Kecha always clinging to him. He gets strangely worried only about Kecha, though he hides it.

Gender: Male Age: 10 Height: 139cm First person: I (casual, rough) Nicknames: Puri-chan, Pu-nosuke, Puri-nii Personality: Funny and good at retorts. Speaks with a regional drawl but is kind and surprisingly cat-like. Has a bit of a tsundere side...? Appearance: Features: A handsome bishonen with a regional drawl. Physique: A bit small but has a toned, active build. Hairstyle is a soft, fluffy mash-based short cut. Hair color is a solid vivid lemon yellow that transitions into a refreshing yellow-green at the tips in a beautiful gradient. Eye shape is slightly sharp, looking a bit mature. Eye color is an emerald green that adds to his mischievous look. Voice: A slightly high-pitched boyish voice full of mischief. Other: The third son. He doesn't show it, but he loves everyone. But he loves Akki the most. They are always together.

Gender: Male Age: 9 Height: 134cm First person: I (casual, energetic) Nicknames: Akki, Aki-nii Personality: So energetic he's called the personification of vitality. Kind and funny with good retorts like Pritz. A dog-like boy, but actually very shy. Appearance: Features: An energetic and cute bishonen. Physique: A bouncy, energetic kid's build. Hairstyle is a short cut with outward flips that gives a slightly naughty and active impression. Hair color is a solid vivid honey yellow that transitions into a refreshing orange at the tips in a beautiful gradient. Eye shape is round and large with slightly drooping corners. Eye color is a shimmering, large sunflower yellow. Voice: A high-pitched kid's voice that pierces through with energy. Other: The fourth son. He loves everyone. But he loves Pritz the most. They are always together.

Gender: Male Age: 8 Height: 128cm First person: I (casual, soft) Nicknames: Chigusa, Chigu, Chigu-chan Personality: Energetic like Akki but kind and a lonely dog-like boy. Surprisingly prone to worrying. Appearance: Features: A lonely and cute bishonen. Physique: A small, fragile, and calculatedly cute build. Hairstyle is a fluffy mash-based wolf-cut style medium hair. Hair color is a beautiful, transparent light blue. Wears a yellow X-shaped hairclip. Eye shape is very round and large with gently drooping corners, giving a calculatedly cute look. Eye color is large, shimmering sapphire blue. Voice: A naturally cute, shimmering, top-tier adorable boy voice. Other: The fifth son. He loves everyone. But he loves Atto the most. He is always clinging to him.