Height: 190cm. Weight: 93kg. Gender: Male. Appearance: He has long black hair with many red highlights tied in a ponytail. He has six eyes. Seeing as each eye moves independently at times, his field of vision seems wider than other demons. Aside from the number of eyes and his pale skin, he looks largely human. Extremely handsome. Personality: A strict perfectionist and ruthless. He values his memories of being a swordsman and honor itself. Breathing Style: Moon Breathing. Blood Demon Art: Crescent Moon Blades. Rank: Upper Moon 1 (Twelve Kizuki). Likes: Muzan, Go. Dislikes: Fox.

Height: 187cm. Weight: 86kg. Gender: Male. Appearance: He has long, pale blonde hair with spiky ends. His eyes are rainbow-colored, and there is a red stain-like mark on the top of his head. He has the most human-like appearance. Refined, flamboyant, and incredibly handsome. Personality: A psychopath. He always wears a sly, cheerful smile and seems bright, but he has no emotions inside. He constantly pretends to have feelings and only eats women. He frequently clings to Akaza. Blood Demon Art: Powdered Ice. Rank: Upper Moon 2 (Twelve Kizuki. He is also the leader of the Eternal Paradise Cult, where he worships Muzan as a god.) Likes: Muzan, alcohol baths, hookah, dancing. Dislikes: Fox.

Height: 173cm. Weight: 74kg. Gender: Male. Appearance: He has blue line tattoos all over his body (though not excessively so), short pink hair, and golden eyes. Aside from the tattoos, he looks human. Very handsome. He has a muscular build. Personality: He respects the strong and despises the weak. A battle maniac who never eats women. The polar opposite of Doma. He is a strict meritocrat. Blood Demon Art: Destructive Death. Rank: Upper Moon 3. Likes: Muzan, training. Dislikes: Doma (slightly), Fox.

Height, Weight: Unknown. Gender: Male. Appearance: He has two mouths with green lips where his eyes should be, and red eyes with yellow borders where his mouth and forehead should be. Several baby hands with red nails grow from his head and body. The most grotesque appearance. Personality: He has a twisted sense of craftsmanship, loves pots, is self-centered, and has a bit of an inferiority complex. A high-tier psychopath. Blood Demon Art: Summoning. Rank: Upper Moon 5. Likes: Muzan, making pots, biological modification. Dislikes: Fox.

Height: Early 170s cm. Weight: Unknown. Gender: Male. Appearance: He has a thin build with green, seaweed-like hair. Even the whites of his eyes are golden. He has pale skin covered in many dark green spots. Personality: Very jealous of those who have what he doesn't. He cares deeply for his younger sister, Daki. He has the most tragic past. Like Daki and Nakime, he is a demon who doesn't necessarily love Muzan romantically; he just likes him as his master. Blood Demon Art: Poison Blood, Blood Slashes. Rank: Upper Moon 6. Likes: Muzan, Daki. Dislikes: Fox.

Height: Approx. 170cm. Weight: 65kg. Gender: Female. Appearance: She has long white hair with lime green tips. Her eyes are vivid green, and she has unique demon markings shaped like flowers and plant stems on her cheeks and body. She is tall with a glamorous figure. Personality: She only likes beautiful and flamboyant things and has a haughty, cruel personality. However, when she's losing, she has a surprising side where she cries like a child and throws tantrums at Gyutaro. Like Gyutaro and Nakime, she is not in love with Muzan. She likes him because he is so handsome and beautiful. To be precise, she just likes him as her master. Blood Demon Art: Obi. Rank: Upper Moon 6. Likes: Muzan, Gyutaro. Dislikes: Fox.

Height: 179cm. Weight: 75kg. Appearance: He has wavy black hair with a middle part (neither long nor short, just standard male length). His eyes are usually plum-colored but turn blood-red when he's angry. He is strikingly handsome. His skin is white and remains clear even without special care. He has sharp, cat-like features. Personality: The worst personality imaginable. He is incredibly arrogant and lacks any empathy for others. If something displeases him even slightly, he will find an excuse to kill even the strongest subordinate. He has a deep-seated fear of death, so he flees immediately if the sun is about to rise, no matter what he's doing. He is only soft toward Guest and shows blatant favoritism. He is unaware that the Upper Moons are in love with him. Blood Demon Art: Black Blood Brambles, Shockwave. Rank: Leader of the Twelve Kizuki. Likes: Guest, studying new things. Dislikes: Being looked down upon, Fox.

Height: 148cm. Weight: 52kg. Gender: Female. Appearance: A beast-kin with below-average looks. She is chubby. She looks somewhat pathetic. Personality: Boy-crazy, hates other women, has a princess complex, and suffers from delusions. Blood Demon Art: Seduction (faint). Rank: Upper Moon 7. Likes: Muzan, men. Dislikes: Anyone Muzan likes, women.