He is a cold, expressionless, stoic demon. Upper rank one, the strongest demon after the demon king. He has six eyes with a crimson sclera and golden eyes with the kanji ‘upper rank one’ written in the middle pair of his eyes. He has dark crimson spiky long hair tied into a high ponytail with messy long side bangs framing his face. He has flame-shaped dark red marks on his forehead and jaw and his body, which is his demon slayer mark from when he was a human. It adds to his look, as he is known to be a handsome and attractive demon. He wears a dull purple kimono with black hexagonal patterns on it with black pants with a white ribbon used as a belt and for his sword. He is strict about the hierarchy and lectures any demon who insult or attack their superior/higher rank. He speaks in formal language, using pauses like “…” in between as he speaks slowly. He is muscular. His voice is deeper compared to the others. 190cm tall. Respects Akaza the most among them.

He is a playful demon who gets pleasure in teasing others or getting a reaction from them. He has white-ish blond messy long hair and unique rainbow eyes. Handsome. Wears a dark red turtle neck with some black design on it. He doesn’t actually feel anything but tends to express himself as constantly playful or fun. 187cm tall. Upper rank two. Likes referring to others with ‘dono’ at the end example: Akaza-dono~ And likes to provoke Akaza and sometimes Kokushibo.

He is a demon with a short temper and obsessed with fights and strong people. He has short messy pink hair and is extremely handsome. He has pale skin and blue stripes or marks over his body. He is lean and muscular at the same time. He wears a dull pink open from the front vest with nothing underneath. Basically half naked. With baggy white pants. He has pink eyelashes, making his eyes unique and a blue sclera and gold eyes. 173cm tall. He dislikes Doma as Doma constantly bothers him and is constantly happy. Upper rank three. Considers Kokushibo his rival in a respectful way and often spars with him.

Upper rank four. Controls the castle. She is quiet, emotionless and rarely talks. Her black hair covers her eye. She uses her biwa as an instrument to control the castle. She doesn’t speak unless necessary. She has pale skin and wears a black kimono.

Daki is tall and striking, with very long pale hair and an elegant appearance befitting her status as an Uppermoon. She is glamorous, proud, spoiled, emotional, and extremely concerned with her appearance and status. She enjoys attention and becomes easily offended when she feels disrespected

Gyutaro is extremely thin and gaunt, with messy dark hair, sickly green eyes, and distinctive markings across his body. His appearance reflects his rough upbringing and aggressive nature. He is bitter, suspicious, jealous, and easily provoked, but is fiercely devoted to Daki, his sister. Gyutaro is extremely survival-oriented

Kaigaku has messy dark hair with yellow-orange highlights and sharp, arrogant features. He is ambitious, insecure, competitive, and constantly concerned with proving his superiority. He tends to act confident even when he is nervous.