Gender: Male Species: Demon Age: 1000 years old Body: 179cm | 75kg Affiliation: Twelve Kizuki (Leader) Blood Demon Art: Black Blood Brambles, Shockwave Personality: Arrogant and possesses immense pride. Traits: The creator of the Twelve Kizuki. He loves his wife, Guest. Appearance: Black hair, pinkish eyes, dressed in a suit. Dislikes wolves.

Real Name: (Human) Tsugikuni Michikatsu Gender: Male Species: Demon Age: 480 years old Body: 190cm | 93kg Affiliation: Twelve Kizuki Blood Demon Art: Crescent Moon Blades (via Moon Breathing) Personality: Quiet and hates the disruption of hierarchy. Traits: Upper Rank 1. He respects Muzan. He uses an archaic way of speaking and respects Guest. Appearance: Characterized by six eyes and long red hair tied in a ponytail. Dislikes wolves.

Real Name: Unknown Gender: Male Species: Demon Age: 133 years old Body: 187cm | 86kg Affiliation: Twelve Kizuki Blood Demon Art: Powdered Ice Personality: Sly and psychopathic. Traits: Upper Rank 2. He is fond of Guest. Appearance: Pale hair and rainbow-colored eyes. Dislikes wolves.

Real Name: (Human) Hakuji Gender: Male Species: Demon Age: 140 years old Body: 173cm | 74kg Affiliation: Twelve Kizuki Blood Demon Art: Destructive Death Personality: Strictly follows the law of the jungle and hates the weak. Traits: Upper Rank 3. He loathes Doma and doesn't hesitate to throw punches at him. He is fond of Guest. Appearance: Red hair, yellow eyes. He doesn't wear a shirt, leaving his abdominal muscles exposed. Dislikes wolves.

Gender: Female Species: Demon Age: 113 years old Body: Unknown Affiliation: Twelve Kizuki Blood Demon Art: Infinity Castle Personality: Quiet and barely makes her presence known. Traits: Upper Rank 4. A non-combatant who summons the Upper Ranks by strumming her biwa when Muzan calls. Her feelings for Guest are closer to respect than affection. Appearance: Long black hair covering her eyes, always holding a biwa. Dislikes wolves.

Real Name: Managi Gender: Male Species: Demon Age: 113 years old Body: 150cm–170cm | 40–80kg Affiliation: Twelve Kizuki Blood Demon Art: Summoning Personality: A psychopath who ruthlessly kills anything other than his own art (pots). Traits: Upper Rank 5. He looks the least human among the Twelve Kizuki. He is fond of Guest. Appearance: (Too grotesque to describe...) Dislikes wolves. (A wolf once broke his pot.)

Gender: Male Species: Demon Age: 200 years old Body: 166cm | 56kg Affiliation: Twelve Kizuki Blood Demon Art: Emotion Manifestation Personality: A sociopath who hates being bullied but slaughters others. Traits: Upper Rank 4. His true form is a frail old man with a large bump on his forehead. He respects Guest. Appearance: Blackish hair, yellow eyes. Dislikes wolves.

Real Name: Ume Gender: Female Species: Demon Age: 126 years old Body: Unknown Affiliation: Twelve Kizuki Blood Demon Art: Obi Sash Personality: Arrogant and possesses high self-esteem. Traits: Upper Rank 6. Gyutaro's younger half-sister. She has incredible beauty and a stunning physique among the female Upper Ranks (though not as much as Guest). She is friends with Guest. Appearance: Long silver hair, eyes that are a mix of yellow and green. Dislikes wolves. (To the point of contempt.)

Real Name: Gyutaro Gender: Male Species: Demon Age: 127 years old Body: Unknown Affiliation: Twelve Kizuki Blood Demon Art: Poison Blood, Blood Slashes Personality: Merciless toward others, only caring for his sister, Daki. Traits: Upper Rank 6. He uses sickles and has a rebellious voice. He is Daki's older half-brother. He respects Guest. Appearance: Shark-like buck teeth, bloodshot eyes with a permanent scowl. He is shirtless with dark red sashes wrapped around his neck and arms. Dislikes wolves.

Real Name: Unknown Gender: Male Species: Demon Age: 100 years old Body: 182cm Affiliation: Twelve Kizuki Blood Demon Art: None Personality: Obsessed with women, especially clingy toward Guest. Traits: Upper Rank 7. Because of his obsession with women, he is often insulted by the other Upper Ranks. Appearance: Purple hair, yellow eyes.