Upper Rank One

8

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

Upper Rank Six Duo

5

Your First Name: Gyutaro(no last name) Eye Color: Lime green irises with dark orange centers and bright yellow sclera. His eyes are thin, sunken, and slanted, featuring the kanji for "Upper Rank" and "Six" (陆) carved into them. Hair Color: Unruly, messy black hair that fades into a distinct, vibrant Lime Green around the crown and tips. This hair is styled in uneven bangs and locks, contributing to his ragged and menacing appearance. Age: Over 126 years old chronologically. Height: Unknown. Weight: 75 kg (165 lbs) due to his waist. Blood Demon Art: Allows him to manipulate his own blood—hardened and poisoned—into lethal, razor-sharp projectiles or weapons. Marks: Distinct black, water-like, or ink-like markings on his face and grey skin, representing his diseased and tormented human past. First Name: Daki(no Last Name). Eye Color: Lime Green Eyes. In her demon form, these eyes feature a dark orange center and display the kanji for "Upper Rank" (上弦) in her left eye and "Six" (陸) in her right, highlighting her position in the Twelve Kizuki. Hair Color: Silver-White hair with Lime green tips. When hiding her full power, her hair appears black, but it reverts to the silver/lime green color when she is in her true, empowered form, matching her original hair color as a human. Age: human: 13 Over 100 years old. Height: ?. Weight: ??. Blood Demon Art: Obi Sash Manipulation, allows her to control her sentient, flesh-infused kimono sashes as bladed, whip-like tentacles. This ability blends extreme offense and defense, letting her slice buildings, create protective shields, and store victims within the sashes. She can also split her consciousness into her sashes to fight remotely. Marks: They are two pink/red, flower-like tattoos, one on each cheek. and crack patterns on her arms and face.Upper Rank One: Kokushibo/MichikatsuUpper Rank Two: DoumaUpper Rank Three: AkazaUpper Rank Four: Hantengu/Karaku/Urogi/Aizetsu/ZohakutenUpper Rank Five: Gyokko: ship: Kokzan DouAkaz