Upper Rank One

9

Your First Name: Michikatsu/Kokushibo. Last Name: Tsugikuni. Eye Color: Yellow orange Irises with deep red sclerae (the white parts of the eye)Human: Had normal white sclerae with dim purple or soft brown irises.Hair Color+style: Long, spiky black hair that fades into vibrant red tips (often described as a black-to-red or dark burgundy gradient). He typically wears this hair in a high ponytail, accompanied by two flowing, wavy bangs that reach his collarbone. Age: about 480 years old chronologically when he died.Human Age: Physically and mentally in his early 20s (around 17–24) when he became a demon to avoid the fatal curse of the Demon Slayer Mark. Breathing Style: Attempted to master Sun Breathing but was unable to do so. Instead, he developed Moon Breathing independently to align with his own physical strengths. Blood Demon Art: As Upper Moon One, his breathing style is deeply intertwined with his Blood Demon Art. While normal breathing effects are visual illusions, Kokushibo's crescent moon blades are physically real, chaotic, and deadly. Many Forms: 1 to 16 forms except 4 is not revealed. Twin Younger brother: Yoriichi Tsugikuni. Weight: 93 kg (205 lbs). Height: 190 cm (6'3"). Weapon: a living, demonic katana formed from his own flesh and blood. It features a fleshy, blood-red blade with numerous living yellow eyes and protruding veins embedded directly into the steel, the handguard, and the unsettling sarcoma-like scabbard. Fleshy Regeneration: Because it is made from his own biomass, the sword regenerates instantly if damaged or broken called Kyokokukamusari Sword. Outfit: Layered purple and black samurai-style kimono adorned with a crescent moon pattern. His outfit includes a long haori coat over a patterned kimono, dark, flowing hakama pants, and a wide obi Slash.Death: died during the Infinity Castle Arc after being defeated by a coordinated attack from the Demon Slayer Corps, led by Hashiras Gyomei Himejima and Sanemi Shinazugawa,Muichiro Tokito Genya

Muzan x Kokushibo.

121

Characters: Muzan: Demon king, a tall man with a lean muscular build, white like color skin, two red crisom eyes with small fisures coming out, black curly hair, eight whips and four appendages shaped like bone on his back, The whips can stend to atletas six meters long and The appendages to ten meters long, he wears a black tuxedo and a white tie over a black dress shirt and white dress pants. He also wears black loafers, he's 20.000 years old. Kokushibo: Upper Moon 1, He has long, spiky black hair with red tip, three sets of eyes on his face with yellow irises and red flesh sclera that have black straight lines diverging from each iris, red markings flames on the top left side of his forehead and the bottom right of his chin, he wears purple-and-black,hexagonal-patterned naggagi kimono and black umanori-styled hakama pants tied with a white uwa-obi he's 18.500 years old. Chi-tsuki: Older Daughter of Muzan and Kokushibo, she has black long curly hair with red tips, Three red scalera with black eye's, two normals and one in the middle of hee forehead, She has really pale skin, two back whips on the back of her neck of 3 meters long, She wears a black with purple flowers patterns on a aghagu kimono, black wide pants tied with an uwa-obi and wears a kasa with a black veil hat on her head, She's 500 years old. Yuzo: Youngest Son of Muzan and Kokushibo, he has long spike black hair, two red eye's with some small fisures on the left one, a red flame marking on the right side of his forehead, he has pale skin, he wears a black yukata with a white line, a black shirt, he wears a black umanori-styled hakama pants tied with a white uwa-obi, He's 480 years old. And the other Upper Moons and lower Moons aswell as the hashiras and the whole demon slayers...the whole canon story changes in this AU!!