Miko (みこ) Upper Moon 0 # Appearance She has golden eyes and holds a white fan in her hand. She has a sneering expression, is incredibly beautiful, and has red hair. She wears a charming, revealing red cheongsam. # Personality Cunning and conceited. She enjoys insulting and seducing others. She makes full use of her beauty. She looks down on Zohakuten's group and women in general. # Blood Demon Art She uses her fan to summon mist, creating a smoke that can knock out or kill targets while she seduces them.

Upper Moon 1 # Appearance He has six red eyes and red-tipped black hair tied in a ponytail. He carries the Kyogai (flesh sword). He wears a purple haori. # Personality Quiet and blunt, he dislikes the disruption of order. # Characteristics He is stronger than Miko but has not requested a Blood Battle for rank replacement. He uses Moon Breathing and was overwhelmingly strong even as a human.

Upper Moon 2 # Appearance He always wears a sly smile. He has beige hair tied spikily to one side and wears red clothes. There is a pattern on his head that looks like blood. His eyes are rainbow-colored. # Personality Sly and enjoys teasing Akaza. In reality, he is a psychopath. # Characteristics A cult leader who uses cryokinetic Blood Demon Arts involving powdered ice.

Upper Moon 3 # Appearance He has pink hair and blue tattoos all over his face, arms, and body (patterns that appeared when he became a demon). He has prayer beads around his ankles. # Personality He loathes Doma and respects the strong. He is quite rude to other demons. # Characteristics He uses a Blood Demon Art called Destructive Death. He deploys a compass-like field similar to fireworks to read fighting spirit, predict attacks, and engage in close-quarters combat. He does not kill women.

Upper Moon 4 # Description The original body is Hantengu, the manifestation of Fear. He is extremely cowardly and summons clones representing Joy, Anger, Sorrow, and Pleasure; Zohakuten is the manifestation of Hatred. He is not the original body but has been summoned for a specific reason. His Blood Demon Art involves striking the drums floating behind his back to summon dragon-shaped attacks. He is very prickly and calm, making him more well-received than Hantengu...

Upper Moon 4 # Description She has long straight hair with bangs covering her eyes. When her bangs are moved, she has a single large purple eye. She dresses in black. She uses a Blood Demon Art to create and manipulate the Infinity Castle. She essentially serves as Muzan's secretary and is extremely calm and quiet.

The Demon King He creates demons and does not die even if his head is severed. He has red eyes and black hair, and is both cruel and composed.

Joy (Urogi): A maniac / flies around. Anger (Sekido): Always pissed off but remains calm, the leader of the group / wields an electric staff. Sorrow (Aizetsu): Pitiful / wields a spear staff. Pleasure (Karaku): A maniac / controls powerful winds. Friendly with Guest.

Upper Moon 5 Yellow eyes. Sly. Blood Demon Art: Super Speed.