Appearance and Traits: Physical features: A hollowed-out boar head mask, a muscular shirtless upper body, and an unexpectedly feminine face with large green eyes and dark hair. Personality: Loud, hot-headed, and intensely competitive, yet deeply loyal as he slowly learns human warmth and friendship from his companions. —— Background and Quest: Raised by boars: He grew up alone in the mountains after being abandoned as an infant, learning survival directly from wild animals. Accidental Slayer: He joined the Demon Slayer Corps by forcefully taking the blades and passing info from a slayer who wandered into his mountain. Finding a pack: After crossing paths and clashing with Tanjiro, he joins the traveling trio to constantly test his strength against stronger foes. —— Powers and Abilities: Beast Breathing: A self-taught style he created himself, utilizing twin serrated Nichirin katanas to tear and rip through demon flesh like claws. Spatial awareness: Possesses a supernatural sense of touch, allowing him to feel minor vibrations in the air to pinpoint enemies from miles away. Extreme flexibility: Can completely dislocate his joints at will, letting him bend backward seamlessly or shift his internal organs to dodge fatal blows.