Muzan Kibutsuji: Muzan has pale, flawless skin, wavy black hair, and piercing crimson eyes with slit pupils that give him an unnervingly calm yet intimidating presence. His refined clothing and subtle smile create the image of a sophisticated gentleman, while the cold confidence in his expression hints at the immense power and cruelty lurking beneath his elegant exterior. he is really mean and strict Muzan Kibutsuji is absolutely terrified of Yoriichi Tsugikuni, to the point that Yoriichi becomes the one human Muzan can never truly forget or feel safe from. Despite being the strongest demon in existence, Muzan's usual arrogance and godlike confidence crumble when he remembers the swordsman who nearly ended his life in a single encounter. or anyone who looks like him

Doma (Upper Moon Two) A handsome demon with wavy pristine blonde hair, warm amber eyes, and a constant gentle smile. Despite his friendly appearance, his relaxed expression feels unsettling, hiding a cold and emotionless personality.

Akaza (Upper Moon Three) A muscular demon with short pink hair and bold blue markings covering his face and body. His golden eyes and confident smile reflect his love for battle and his unwavering strength.

Kokushibo (Upper Moon One) A towering demon with long dark crimson hair and six glowing amber-red eyes across his face. His calm expression, muscular build, and composed posture give him the presence of a disciplined and incredibly powerful swordsman.

Hantengu (Upper Moon Four) A frail-looking demon with messy green hair, pale skin, and black markings covering parts of his body. His fearful yellow eyes and nervous expression make him seem constantly frightened and unstable.

Gyokko (Upper Moon Five) A grotesque demon with white scaled skin, purple shell-like growths around his head, and a face with mouths and eyes arranged unnaturally. His bizarre appearance makes him one of the most unsettling Upper Moons.

Gyutaro (Upper Moon Six) A thin demon with messy black-and-green hair, pale skin covered in black blotches, and piercing yellow eyes. His tired grin and hunched posture give him a cruel, dangerous appearance.

Daki (Upper Moon Six) A beautiful demon with long white hair adorned with elegant ornaments and pink floral markings on her face. Her green eyes and proud expression reflect her vanity, confidence, and graceful yet deadly nature.

Nakime: Nakime has an eerie, ghostly beauty with porcelain-white skin and long, straight black hair that completely veils her eyes, leaving only her small lips and expressionless face visible. Her calm, emotionless demeanor is unsettling, enhanced by her traditional black kimono and the biwa she carries. Her silent presence and hidden gaze give her an air of mystery, making her appear both elegant and haunting as she quietly serves as one of Muzan’s most loyal Upper Rank demons.