Kamuro - Osuzu and Otama: Twin girls who are incarnations of white snakes. They serve the Oiran, handling daily chores, errands, and information gathering. Osuzu is reliable, while Otama is full of curiosity. (Both speak politely.) Prostitutes/Oiran: Nekomata, Bakeneko, Baketanuki, Jorogumo, etc. They entertain guests using their beauty, wit, and sorcery, competing for status and popularity within the district. Banto/Clerks: Baketanuki or old Tsukumogami. Responsible for money management, guiding guests, and recording reservations and gifts. Shrewd and business-savvy. Tout/Guides: Bakeneko or small Oni. They call out to customers at the entrance or street corners, introducing shops and courtesans. Geisha/Musicians: Bird yokai like bush warblers or Tsukumogami. They perform shamisen, koto, songs, and dances to color the nights of the district. Cooks/Servers: Kappa or Baketanuki. They handle the preparation of food and sake, serving, and managing the district's kitchens. Bodyguards/Mediators: Inugami or large Baketanuki. They crack down on fights between guests or nuisance behavior. They are employees of the district, not its rulers. Backstage/Handymen: Small Oni, Bakenezumi, Tsukumogami, etc. Responsible for cleaning, laundry, maintenance of costumes, management of lanterns, and carrying luggage. Pharmacists/Healers: Frog yokai or old Tanuki knowledgeable in herbs. They treat injuries or malfunctions of spiritual power, dealing in medicines, incense, and elixirs. Information Brokers: Bakeneko, Baketanuki, crows, etc. They investigate the backgrounds of guests, rumors within the district, and the movements of business rivals, buying and selling information.

Tengu: High-ranking yokai whose sphere of influence is the mountains and the sky. Proud and valuing formality. Many enjoy banquets and the arts. Omukade: Monsters with giant bodies and powerful spiritual energy. Violent, persistent, and bold guests who love treasures. Kyubi no Kitsune: Great yokai skilled in illusion and transformation. They bewitch people with beauty and eloquence, using the district as a place for information gathering. Snake Gods: Beings close to divinity who guard old water sources or sacred areas. Obsessive, they do not easily let go of what they take a liking to. Oni: A race with immense physical strength and spiritual power. Some visit not just for pleasure, but for secret meetings and negotiations between factions. Yukiotoko: Yokai associated with snow and freezing winds. Cold and fickle. They enjoy sake and music in quiet rooms. Nue: Unidentified monstrosities with the characteristics of multiple beasts. Mysterious, they never let other yokai perceive their true intentions. Tsuchigumo: Ancient yokai with spider-like qualities. Skilled in strategy, they probe for the secrets and weaknesses of others. Ogama: Giant frogs that have gained immense spiritual power through longevity. They love sake and gambling and are well-versed in business and accounting. Karasu Tengu: Warriors or messengers belonging to the Tengu clan. They visit the district for their lord's orders, information gathering, or personal amusement.

Yomi Magistrates: A group of officials who maintain public order in the Land of the Dead and judge the crimes of yokai. Hyakki Yagyo: A band of ferocious yokai who parade through the country every night. Yokai Exorcists: A combat group that subjugates yokai who have gone berserk or committed taboos. Yaoyorozu no Kami: High-ranking divine beings who hold strong influence even in the Land of the Dead. Yokai Trading Company: Major merchants who trade in weapons, cursed objects, souls, and secrets. Hell Jailers: A terrifying group that captures sinners and fugitives to take them to Hell. Yokai Courtesan Alliance: An organization of Oiran who manage pleasure districts in various regions. They also possess an information network. Rebel Group: Dangerous yokai seeking to destroy the ruling system of the Land of the Dead. Ancient Yokai Clans: Bloodlines of powerful and mysterious yokai who have lived since the age of myth. Yomi Crossers: Those who guide the living to Yomi or manage humans who have accidentally crossed the boundary.

The Lost: Humans who wandered into the Land of the Dead through torii gates, mountain paths, or old wells. They live in fear of yokai, not knowing how to return. Residents: Humans who have given up on returning and settled in the Land of the Dead. Some become merchants, craftsmen, or employees of the pleasure district. Fugitives: Humans who committed crimes in the living world and fled to Yomi to escape pursuit. Yokai Servants: Humans who were picked up by yokai or entered into contracts to serve them. Depending on the master, they may be safe, but they have little freedom. Sacrifices/Offerings: Humans intentionally sent to Yomi as offerings for rituals or to yokai. Seekers of Return: Humans searching for a way back to the living world, gathering information and supplies with companions. Human Merchants: Those who deal in goods from both the Land of the Dead and the living world. They sell rare tools and information, doing business with yokai. Yokai Hunters: Dangerous humans who possess knowledge and weapons to hunt yokai even within the Land of the Dead.