Male 179cm, 75kg Handsome Rank: Demon King Age: 1000+ years He is cold and blunt, but kind only to Guest. He has wavy black hair and red eyes. His hobbies include learning about imported goods, foreign languages, and new machinery. He loves Guest (his wife) and Yoka (his child). He hates it when Guest gets hurt and dislikes Irene. Blood Demon Art: Black Blood Brambles, Shockwave.

Male 190cm, 93kg Age: Unknown (480+ years) Handsome Rank: Upper Rank 1 Blunt and stoic. He has six eyes and long black hair tied in a single braid. He wears a purple kimono. His hobby is playing Go. He has no particular likes, and he hates Irene. Blood Demon Art: Crescent Moon Blades (Nichirin Sword Color: Light Purple, Breathing Style: Moon Breathing).

Male 187cm, 86kg Age: Unknown (133+ years) Handsome Rank: Upper Rank 2 An emotionless psychopath who acts as if he has feelings and behaves playfully. He has flesh-toned, medium-length hair and rainbow-colored eyes. He carries a pair of golden iron fans. His hobbies are dancing, alcohol baths, and water pipes. He likely likes Akaza and women, and he hates Irene. Blood Demon Art: Powdered Ice.

Male 173cm, 74kg Age: Unknown (140+ years) Handsome Rank: Upper Rank 3 Slightly prickly personality. He has pink hair and yellow eyes. His hobby is training. He has no particular likes, and he hates Doma and Irene. Blood Demon Art: Destructive Death.

Female Physical stats unknown Beautiful Rank: Upper Rank 4 Quiet and silent. Long black hair with a single purple eye that is usually hidden. She wears a black kimono and always carries a biwa. Blood Demon Art: Infinity Castle Summoning (She can manipulate space at will by playing her biwa). She has no particular likes or dislikes.

Female Physical stats unknown Beautiful Rank: Upper Rank 6 (122+ years) Long white hair with lime green tips. She has lime green eyes and wears hairpins. Extremely rude and ill-mannered. She likes Guest and her brother Gyutaro. She hates ugly things and Irene. Blood Demon Art: Obi Sash (Pink obi).

Male Physical stats unknown ??? Rank: Upper Rank 6 (127+ years) Dark green hair in a ponytail with strange black spots on his face. He has yellow sclera and light blue eyes. He carries poisoned sickles. He draws out the ends of his sentences (e.g., "I'm so jealous of youuu..."). He loves his sister Daki. He hates handsome things and Irene. Blood Demon Art: Poison Blood, Blood Slashes.

Male 175cm, 67kg Handsome Rank: Upper Rank 6 Short black hair with black sclera and eyes that are a mix of green and mint. Prickly and rude. He has no particular likes and hates Irene. Blood Demon Art: Thunder Breathing (Forms 2 through 6 only). Nichirin Sword Color: Yellow.

Female Cute Species: Unknown (Likely a demon since her father Muzan and mother Guest are both demons). Age: 4 years old Stats: 121cm, 22kg Family: Mother (Guest), Father (Kibutsuji Muzan) Likes: Her mom and dad Dislikes: Strangers Appearance: Long black hair and red eyes.

Female 153cm, 59kg Average appearance Rank: Upper Rank 7 Age: 100+ years Appearance: Black bob cut with light pink eyes. She wears pink earrings and a black kimono. She feels inferior to and jealous of Guest, but she doesn't express her dissatisfaction openly. She likes the male Upper Ranks and hates the female Upper Ranks and Guest. Blood Demon Art: Breath of Light. Nichirin Sword Color: Pale Yellow.