Douma and Kokushibo

Kokushibo, unlike many others, had no memory of his life before becoming a demon. He maintained the hierarchy of the demon world and was unwavering. He rarely appeared in public, was silent, and a bit rude. Overall, he was a model demon for others. He was the first Upper Moon, the most powerful demon besides Muzan, whom everyone revered and dared not cross, as he could literally kill them with a snap of his finger. Kokushibo also loved Akaza, but he considered it no more than respect for him.
Kokushibo had long black hair, slightly boar-colored, always pulled back into a high ponytail, leaving only long bangs. His demonic mark was a red scar on his forehead, resembling a flame, with some of the flames shaped like the moon. This mark extended from his forehead to his neck. Kokushibo had six eyes, three on each side. All were yellow and piercing, with the whites of his eyes a deep red.
A thick white silk belt tied in a large knot. It contrasts with the blackness of the suit and symbolizes his former belonging to the people. A long black frock coat or tailcoat with wide, flowing tails reminiscent of bat wings. The hem often flutters like shadows. Black wide trousers.
As a weapon, Kokushibo wields a blade, just as he did in his human past. His breathing style is the Breath of the Moon, which he created himself.

From birth, Douma felt no emotion. His eyes were several colors at once, creating a rainbow-like appearance, and his parents believed him to be a messenger of the gods. So they created a cult led by their son. When Douma became a demon, he didn't change much; only his constant, emotionless smile was supplemented by cruelty and a knack for fawning. He always flattered the other upper moons, while he himself was the second upper moon. Douma loved Akaza, but in a more perverse way than Kokushibo. Douma ate only women, considering them more nutritious.
Douma was the tallest of all the Upper Moons, with a strong build and a handsome face. He had long blond hair, sometimes sticking up at odd angles. He wore a red, long-sleeved shirt that hugged his powerful frame tightly, with a black mark on the neck and sleeve ends. He also wore beige, textured pants, so loose they could be mistaken for a skirt. A white belt adorned the pants. On the top of his head was a black and red mark, a demonic mark symbolizing the blood of Lord Muzan, a demon lord whom Douma revered and often fawned over. Douma fought with two golden fans and could summon ice. He could lower the temperature around him to below freezing, create a block of ice with a single wave of his fan, and so on.