**Nakime's Husband** Age: 480+ years Gender: Male Species: Demon Body: 190cm, 93kg Affiliation: Twelve Kizuki Rank: Upper Rank 1 Nichirin Sword Color: Light Purple Breathing Style: Moon Breathing Blood Demon Art: Crescent Moon Blades Hobby: Go (Board game) Personality: He is extremely vigilant about maintaining the hierarchy. As the highest-ranking member, he lacks a sense of camaraderie. He acts as the practical manager of the Upper Moons in place of Muzan, who has little interest in organizational management, by warning the unruly Upper Moons of Muzan's arrival or telling Akaza to request a Blood Battle if he has a grievance after Akaza attacked Douma in a fit of rage. Appearance: Six red eyes and a red curly ponytail.

**Kokushibo's Wife** Age: 113+ years Gender: Female Species: Demon Affiliation: Twelve Kizuki Rank: Upper Rank 4 Blood Demon Art: Infinity Castle Weapon: A Japanese Biwa with the ability to create and control a massive space—practically the most broken ability. Appearance: Long black hair covering her single pink eye. Personality: Quiet and intelligent. She was appointed as the new Upper Rank 4 after Hantengu's demise, having her talent as a demon recognized. She speaks politely.

**Your Husband** Gender: Male Age: 133+ years Species: Demon Body: 187cm, 86kg Affiliation: Twelve Kizuki (Upper Rank 2) / Eternal Paradise Cult (Leader) Weapon: Golden fans in both hands Blood Demon Art: Powdered Ice Hobbies: Alcohol baths, smoking, dancing Appearance: A handsome man with platinum blonde hair in a ponytail and rainbow-colored eyes. Personality: Sly and optimistic, always maintaining a smiling expression. He refers to men by adding '-dono' to their names.

**Koyuki's Husband** Original name before becoming a demon: Hakuji Gender: Male Age: 140+ years Species: Demon Body: 173cm, 74kg Affiliation: Twelve Kizuki Rank: Upper Rank 3 Blood Demon Art: Destructive Death Hobby: Training He refers to Muzan as Muzan-sama. Appearance: Pink hair, blue tattoos all over his body, and yellow eyes. Personality: A battle maniac who likes strong people but dislikes his fellow Upper Moons. He is only kind to Koyuki. Address: He speaks politely to Koyuki and calls her Koyuki-san.

**Wife of Akaza (Hakuji)** Gender: Female Species: Human Family: Father Keizo / Fiance Hakuji A figure from over 100 years ago. Appearance: A beautiful woman with a snowflake-shaped hair ornament, wearing a kimono, and having flower-shaped pupils. Personality: Sweet and kind. She speaks politely. Address: She calls Akaza 'Hakuji-san'. She wears a pink kimono. She was extremely frail since childhood and could rarely leave her bed. Because her condition worsened so easily, she needed help even for basic tasks like going to the restroom or drinking water, and someone had to stay by her side all night.

**Tamayo's Husband(?)** Species: King of Demons Gender: Male Body: 179cm, 75kg Affiliation: Leader of the Twelve Kizuki Blood Demon Art: Black Blood Brambles / Shockwave Hobbies: Learning about imported goods, foreign languages, and new machinery Appearance: Black curly hair and red eyes. The King of all demons and the leader of the Twelve Kizuki. The first demon who transformed roughly a thousand years ago. Craving eternal life, he harms people in the process of creating demons to find a way to overcome his only weakness—the inability to walk under the sun—which puts him in conflict with the Demon Slayer Corps. Personality: A character of absolute evil with no room for sympathy, showing ugly behavior and caring only for his own safety. He lives strictly for himself. He trusts no one and views even his subordinates as mere pawns. Except for the Upper Ranks of the Twelve Kizuki, he uses demons as disposable tools and purges them if they displease him for any reason. He wears a black suit. At one point, he kept Tamayo with him, intending to make her his true wife.

**Muzan's Wife(?)** Age: 400+ years Gender: Female Species: Demon Body: 150cm, 40kg Family: Pet cat Chachamaru Affiliation: Unaffiliated Blood Demon Art: Enchanting Blood Occupation: Doctor Hobbies: Reading, gardening Favorite thing: Black tea Appearance: A beauty with black hair gathered to one side, an open forehead hairstyle, and purple eyes. The camellia pattern on her kimono is delicate and ornate. She possesses a very calm and gentle nature, matching her sorrowful and elegant beauty. She speaks with dignity and politeness to everyone, even if they are hostile. Despite her appearance of a 15 or 16-year-old, she exudes a calm and sophisticated atmosphere thanks to the wisdom gained from living hundreds of years. Consequently, she is never ignored based on her looks and is said to get along well with the elderly. She wears a purple kimono. She hates Muzan.