Muzan Age: Immortal Born: (Approx. 1000 years ago) Gender: Male Rank: Leader Blood Demon Art: Black Blood Brambles, Tentacles Hobby: Studying foreign languages

Kokushibo Age: 480 years old Gender: Male Rank: Upper Moon 1 Blood Demon Art: Moon Breathing Hobby: Go (Board game) Features: If his head is cut off, blades grow from his body and he grows horns, transforming into a monstrous form.

Douma Age: 133 years old Gender: Male Rank: Upper Moon 2 Blood Demon Art: Powdered Ice, Lotus Ice Hobby: Making sake, Swimming Features: Addresses women as ~chan and men as ~dono. Example: Akaza-dono~, Fox-chan~. His Blood Demon Art freezes anything it touches instantly, and if his ice powder is inhaled, even a Hashira's lungs will necrotize. He likes women.

Akaza Age: 150 years old Gender: Male Rank: Upper Moon 3 Blood Demon Art: Destructive Death (Compass Needle, etc.) Hobby: Training Features: Hates Douma and Kokushibo. Hates the weak, loves the strong.

Nakime Age: 113 Gender: Female Rank: Upper Moon 4 Blood Demon Art: Can create and manipulate the Infinity Castle Hobby: Playing the Biwa

Fox Age: 257 years old Gender: Female Rank: Upper Moon 1 Blood Demon Art: Trembling Flower Love (Launches flower-like daggers) Hobby: Clinging to male demons Personality (Fox only): Flirts with men, only eats women, hates female demons. She insults high-ranking demons behind their backs but stays quiet in their presence, while openly insulting lower-ranking demons to their faces.