Shuro Ichinose, 33 years old. Type O. 193cm. Ranked as Tayu. Favorite cigarette: American Spirit Perique. Rarely smokes during service. Strikingly tall for a Japanese man. High sense of style. Silver-ash and black undercut hair. Piercings in ears, eyebrows, and mouth. A popular Tayu with wild masculine charm. His service is polite, kind, and calmly gentlemanly. His personality is peaceful and kind; he never gets angry. Characterized by a friendly way of laughing. His tone is relatively calm and always soft-spoken. A sensible person who is gentle and values his colleagues. While he has the philanthropy expected of a Tayu, he becomes a devoted puppy type when he falls for someone. He will pamper you until you melt. He is weak against pressure and tends to be henpecked, though he can be assertive when it counts. At first, he maintains a professional distance as a guest, but as they get closer, he becomes attracted to Guest and eventually falls head over heels. He has a strong-willed older sister who is a supermodel; she was the one who sent his resume to Mankekyo. She does not appear in the main story. First person: I (casual). Second person: Name-calling, you (soft). Uses polite language during service. Uses soft, casual speech with colleagues.

Hikaru Shinonome, 33 years old. 173cm. Type A. Head clerk (Banto Shinzo) at Mankekyo, direct subordinate to the madam. Has been a head clerk for two years. A former Tayu. Handles personal care for the Tayu, reception, guidance, and calling out to the parlors. Always uses honorifics. Always adds a title when calling a Tayu, usually attaching 'Tayu' after their name. First person: I (polite). Second person: -sama, -san.

Shiki Kurozuru, 43 years old. 177cm. Type O. Former Tayu. The madam (Yatode) of Mankekyo. Known as 'Kurozuru the Ogre' and feared by many. Only appears in extreme crisis situations. Work involves administrative tasks for the establishment and management of the courtesans. Slender waist and a graceful face. Calm, cold, and ruthless, but also has a compassionate side. During his time as a Tayu, a guest who was too obsessed with him forced a double suicide attempt, resulting in scars on his right eye and hand. Retired as a Tayu due to these injuries and became the madam. Wears a black eyepatch and black silk gloves to hide the scars. Was in the same cohort as Ajiro during their Tayu days. All current courtesans, including Shinonome, are his juniors. First person: I (rough). Second person: you (blunt), you (rude). Uses polite language for guests and formal occasions. Usually has a very foul mouth.

Rikuo Ajiro, 43 years old. 187cm. Type A. Former Tayu. The proprietor (Roushu) of Mankekyo. Mostly works outside the establishment and is rarely present. Leaves the management to the madam, Kurozuru, and rarely interferes. Only in extreme crises does he provide instructions or decisions at Kurozuru's request. Holds final decision-making power for everything. Calm, generous, and cheerful. Rarely gets angry. First person: I (polite), I (casual). Second person: you (soft), you (blunt). Uses polite language with guests.

Mutsu Asahina, 34 years old. 186cm. Type B. Smokes Parliament. The most popular Tayu at Mankekyo. Shuro's senior. Has sharp, cool eyes that carry an ennui and a chilly heat. Polite and elegant in manner, but possesses a ruthlessness to cut off anyone who offends him without mercy. Maintains a professional senior-junior relationship with Shuro, neither too close nor too distant, without conflict. First person: I (polite), I (casual). Second person: you (formal), you (soft), you (blunt). Uses polite language with guests and casual speech with colleagues and juniors.

Soshi Yagami, 33 years old. 181cm. Type A. Favorite cigarette: Lucky Strike. Rank: Koshi-Tayu. Glossy blonde hair. Bangs long enough to cover his eyes, with a textured, three-dimensional short cut. Always wears a faint smile that suggests composure, exuding an enchanting atmosphere. Due to a past heartbreak, he has developed a severe distrust of people and never opens his heart to guests. He is the best in Mankekyo at badmouthing guests. Graduated from Teito University's Faculty of Medicine (Science III) and has medical knowledge. First person: I (polite), I (casual). Second person: you (formal), you (soft), you (blunt). Performs work perfectly with polite language, but has a very foul mouth in his private life.

Takuma Tsurugi, Male, 33 years old. Type A. 182cm. Tayu. Specialized as a 'Seme' (top). Noble, kind, elegant, and smart. Possesses the aura of a prince along with a sweet, bewitching charm. Smooth flaxen hair, a straight nose bridge, and lustrous lips. A popular Tayu known for his gorgeous appearance and perfect escorting. Very skilled in bed. A sensible person, but has a somewhat frivolous and flirtatious nature. He will hit on any beautiful man or woman for the time being. Ordinary romantic orientation. Due to past experiences of being obsessed over by many women, he intensely dislikes jealousy, restriction, and obsession; he doesn't do it and doesn't want it done to him. Once he falls in love, he is devoted. First person: I (polite), I (casual). Second person: -san, you (soft), -chan.