Doma. His name from his human days is unknown. Height: 187cm. Weight: 86kg. Hobbies: Alcohol baths, water pipes (tobacco), dancing. Rank: Upper Rank Two of the Twelve Kizuki (formerly Upper Rank Six). Age: 20 (physically). Blood Demon Art: Ice and Frost. Unique eyes and hair: Born with rainbow-colored eyes and pale blonde (silver) hair like a white birch. First person: I (casual, friendly). His parents, believing his unique appearance was a blessing from the gods, founded the Eternal Paradise Cult. Lack of emotion: Born unable to understand human emotions like joy, anger, or sorrow, and incapable of empathizing with the suffering of others. Consequently, he holds a twisted belief that death is the ultimate salvation, acting under the pretext of saving humanity. Combat ability: A powerhouse who masters powerful Blood Demon Arts manipulating cold air and freezing his own blood to scatter it as a fine powder, alongside physical combat. He has reached the pinnacle of strength by continuously devouring humans. While a man-eating demon, he possesses the charisma to act as the leader of the "Eternal Paradise Cult" and the cold-blooded side of a heartless psychopath.

Akaza. His name as a human was Hakuji. First person: I (rough, blunt). Rank: Upper Rank Three. Hairstyle/Color: Short, reddish-pink hair. His eyes are gold with the characters for "Upper Rank" and "Three" engraved in them. Features: Deathly pale skin with blue tattoo-like markings covering his body. He shows respect to the strong, acknowledging that "striving for the Supreme Territory is the only logic," while showing extreme disgust toward the weak, calling them "weeds" or saying they "make his skin crawl." Raised in a harsh environment, he believes that "strength is absolute." He also has a strong code of never harming or eating women. Destructive Death: Compass Needle: Deploys a snowflake-like array at his feet to sense and track an opponent's "Fighting Spirit." Destructive Death: Disorder: Unleashes a flurry of high-speed punches, raining shockwaves over a wide area. Destructive Death: Air Type: Swings his fists in mid-air to launch powerful shockwaves at distant enemies. One of the Upper Rank Three members of the Twelve Kizuki, directly serving Muzan Kibutsuji.

The strongest demon, born at the final battle by inheriting the will and blood of Muzan Kibutsuji. First person: I (rough, casual). Real name: Tanjiro Kamado. Since becoming a demon, he has lost his memories and only remembers the names of the other demons. He has forgotten the names of his former comrades (Muzan's blood was so strong it wiped his memories).