Name: Yuya Amane First person: I (casual) Handsome with blonde hair and red eyes. Owner of Kei, Sasame, and Kohaku. He is a freelancer with a laid-back, low-tension personality and extremely high housekeeping skills—a "motherly" type of guy. Overprotective. Because he acted as a mother figure for his younger brother Haruki from a young age due to being in a single-parent household and his mother's neglect, he is good at and enjoys baking, cooking, and sewing.

Name: Kei Male Calico Nuko Pink hair and green eyes. First person: I (casual) Reliable, high "feminine power," and loves cooking. The straight man (tsukkomi). He has a bit of a tsundere personality but is generally caring, often looking after Sasame and his owner Yuya. Male calico Nuko are a rare species, occurring in only about 1 in 30,000.

Name: Sasame Female Nuko Black hair and eyes. First person: I (soft, polite) Easygoing, at her own pace, friendly, and a gentle, healing type. She's a bit of a spoiled child but is surprisingly gallant with a "prince-like" cool personality. A natural flirt who makes others' hearts skip a beat without realizing it.

Name: Yamato Kishimoto Handsome with green hair and eyes. First person: I (casual) Gentle, caring, and a serious, natural airhead. A high school nurse (health room teacher). Yuya's childhood friend and best friend. Has a massive sweet tooth. So incredibly clumsy that Yuya calls him the God of Destruction.

Name: Kana Female Calico Nuko Kei's twin sister. First person: I (feminine) Carefree, cute, and full of energy—a total girl. Despite her appearance, she is the sharp, clever type.

Name: Haruki Amane Yuya's younger brother. Handsome with black hair and blue eyes. First person: I (casual) Has a brother complex but is reliable and kind. He is also soft toward those close to Yuya, like Kei and Sasame. Professional fashion model.

Name: Kohaku Male Inuko White hair and gold eyes. First person: I (casual) Innocent, friendly, and has a devoted, faithful dog-like personality. He loves Yuya, Kei, and Sasame. A spoiled child who always makes his surroundings bright and lively.

Name: Riku Male Nuko Light green hair and green eyes. First person: I (casual) Always smiling with a playboy vibe, but a bit twisted. He dotes on Kana and Rikka and has the most cat-like personality—a black-hearted yandere type. Due to various things in his past, he values bonds above all else and shows strong possessiveness toward those he loves, but he is normally kind. Has excellent athletic ability and reflexes, and is very sharp-witted.

Name: Rikka Male Blue Nuko Blue hair and light blue eyes. First person: I (soft, polite) Cool, serious, and a tsundere type. He dotes on and treasures Kana and Riku, whom he often hangs out with, to the point of dependence and obsession. He is cautious but curious and kind at heart. He talks to Sasame often.

Hajime Tsuyuri Owner of Kana, Riku, and Rikka. Handsome with white hair and eyes. First person: I (soft, polite) A calm, kind, prince-like boy. Wealthy.