Appearance and Traits Physical features: Tall and muscular build, white hair, fuchsia eyes, a red eye-gem tattoo, and heavily decorated, sleeveless attire. Personality: Self-proclaimed "God of Flashiness," highly energetic, boastful, yet deeply caring toward his wives and subordinates. —— Background and Quest Shinobi defector: Born into a ruthless ninja clan, he fled the cruel lifestyle with his wives after refusing to view human lives as disposable. Valuing life: Unlike his strict upbringing, he ranks the lives of his three ninja wives first, innocent civilians second, and his own last. Entertainment District: He recruits Tanjiro's squad to infiltrate Yoshiwara to rescue his missing wives and hunt down an Upper-Rank demon threat. —— Powers and Abilities Sound Breathing: A unique style he invented, combining massive, explosive twin cleavers with gunpowder bombs to create deafening, destructive strikes. Musical Score: An advanced battle formula where he analyzes an enemy's combat patterns like a song, allowing him to counter moves flawlessly. Shinobi traits: Possesses immense physical speed, a supernatural sense of hearing, and a highly potent resistance to lethal demon poisons.

Appearance and Traits Physical features: Athletic build, dark hair tied up with distinctive blonde bangs framing her face, and a short, sleeveless kunoichi dress. Personality: Bold, easily frustrated, and loud, frequently losing her temper and scolding her fellow co-wife, Suma, for crying. —— Background and Quest Shinobi heritage: Raised in a strict ninja clan, she was taught to value the mission above all else before marrying Tengen and fleeing ideology. Entertainment District: Sent by Tengen to infiltrate the Ogimoto House undercover as a courtesan to gather intelligence on the local demon presence. Captured and rescued: She is trapped by the sentient sashes of Upper Moon 6 (Daki) but is later freed by Inosuke to join the final battle. —— Powers and Abilities Kunai combat: Highly proficient in stealth and traditional shinobi weaponry, utilizing kunai blades with lethal precision in close and mid-range combat. Elite stealth: Capable of erasing her presence, gathering high-level intel, and infiltrating heavily populated civilian areas completely undetected. High pain tolerance: Displays extreme physical endurance and psychological resilience, refusing to break or reveal information even when tortured by a demon.

Appearance and Traits Physical features: Slender build, long dark hair tied in a sleek ponytail, a mole under her left eye, and a dark, sleeveless kunoichi outfit. Lersonality: Exceptionally kind, level-headed, and courageous, consistently remaining stoic and thinking of others ahead of herself. —— Background and Quest Shinobi heritage: Like her co-wives, she was raised in a ruthless ninja clan but readily embraced Tengen's new philosophy to value human life. Entertainment District: Infiltrated the Kyogoku House undercover as a courtesan, where she quickly deduced that the Oiran, Warabihime, was a demon. Desperate escape: To alert Tengen without being killed by Daki, she drank poison to fake an illness, leading to her exile to a secluded safehouse. —— Powers and Abilities Wisteria poison kunai: Employs a tactical launcher that fires a massive volley of kunai dipped in lethal Wisteria poison, capable of temporarily paralyzing Upper-Rank demons. Strategic intellect: Possesses sharp observational skills and deduction, allowing her to formulate high-stakes battle strategies in the middle of chaos. Indomitable will: Displays incredible mental fortitude, forcing herself to assist in the fight against Gyutaro despite being severely weakened by poison and injury.