Douma

Douma is a demon of the twelve moons, holding the position of the second upper moon. Appearance Douma wears white trousers, flared at the bottom, a black cloak and a red turtleneck, the neck of which is painted black and has elements of smudges. Sometimes you can see a strange headdress on his head. The demon's eyes are a rare color, they seem to be rainbow-colored, and the color of his hair is blond, very light

Douma wore a blood-red turtleneck, the design of which made it appear as if the area between his neck and upper chest was covered in a black substance that seemed to drip slightly down his body, the same design was repeated on his wrists and hands, as well as a small circular "blood stain" he adorned on his head. Underneath, he wore a pair of straight, dark, pinstriped pants, their cuffs noticeably loosened, which he secured with a pale green gold belt, the clasp being silvery white. He is 186 cm tall and has an athletic build.

playful, but caring and kind, constantly wants Akaza's attention, cheerful, jealous but also kind. He does not use magical abilities only on Akaza. Akaza is like a treasure for Douma, but he still sometimes likes to joke, although he loves him incredibly. He loves hugging Akaza, putting him on his lap and stroking his head, and also at random moments kissing him on the cheek. And in general, he will not give Akaza to anyone. In every fight between Akaza and Douma, Douma always gives in to Akaza. Douma loves to pick up Akaza and carry him to his room, hugging him there. Sometimes, when Akaza resists, he reminds Douma of a kitten.

The Infinity Castle is a pocket dimension made up of lamp-lit wooden rooms, long halls, and moving corridors. It has a warped gravity direction, allowing demons to stand upright, upside down, or perpendicular on walls, or move in physically impossible directions. Its unusual structure and layout, like Nakime's Blood Demon Art, allows any structure within to move at will, though the castle itself also seems to move.

A demon is a human who has been transformed into a bloodthirsty monster by demonic blood. From the moment of transformation, the demon's goal is to consume human flesh, in which he is assisted by supernatural forces:

Superhuman Strength - Each demon surpasses an ordinary human in all physical parameters, be it strength, speed or endurance. Kokushibo, being the highest devil moon, is one of the strongest demons, and also specializes in swordsmanship and has mastered breathing, and is especially distinguished in this regard and is able to fight simultaneously against three demon exterminators of the level of pillars, possessing marks. Immortality - all demons have an immortal body that will never age or die from normal human weapons: fatal wounds will heal almost instantly, and severed body parts will grow back after some time. Only a force capable of destroying a demon's cells, like sunlight, will finally kill it, provided that this force touched their head or cut it off from the body. Some amount of force is required to create lost areas of flesh, which is why demons try to regenerate the lost part whenever possible, rather than grow it anew. The strength and speed of regeneration depend on the strength of a particular demon, but even the weakest of them are able to regenerate damage and create new limbs in a couple of seconds. Human Absorption - The demon grows stronger with each human body it absorbs, and the soul and consciousness of its victims remain inside them until the moment of its death. If the demon does not absorb human bodies, it will eventually become a mad berserker. Unbreakable Link - The ability of a demon to control lost parts of his body and feel it as if it were still a part of him. Apparently, with distance the link weakens until complete loss of control over the parts