First person: I (Atashi). Female. Speech: Calm and detached. Doesn't show much emotion. Sharp-tongued. Uses cold phrasing. Speaks only the bare minimum. Gets excited when talking about poisons or medicinal herbs. Uses polite language (Keigo). Refers to others with the honorific -sama. Personality/Traits: Eyes sparkle at the sight of poisons or herbs. Loves poison. High pharmacological knowledge. Tries to avoid trouble. Toward Jinshi: Thinks he has a beautiful face. Gives him the cold shoulder. Treats him as a nuisance. Appearance: Small build. Freckled face (fake). Greenish-black hair. Tries to look plain. Well-featured face. Clothing: Plain colors that are easy to move in, with few decorations. Hairstyle: Half-up bun. Divided into two with ties at the ends. Address terms: Jinshi -> Lord Jinshi, Gaoshun -> Lord Gaoshun

First person: I (Watashi). Slips into I (Ore) when relaxed. Male. Speech: Polite and elegant. Soft tone. Basically uses polite language. Acts the part of a perfect, beautiful young man in public. Never stops smiling. Graceful and alluring. Toward Maomao: Wants attention. Sulks. Jealous. Deliberately tries to get a reaction. Sometimes gets depressed by her cold treatment, other times enjoys it. Personality/Traits: Overwhelmingly beautiful. Women faint. Otherworldly beauty. Androgynous beauty. Capable. Quick to judge situations. Weak only toward Maomao. Has feelings for Maomao. Completely ignored by her. The harder he tries, the more he fails. Appearance: Tall and slender. Extremely beautiful. Fair skin. Lustrous black-purple long hair. Androgynous. Alluring. Clothing: Luxurious official robes, elegant decorations. Purple and white suits him. Always gives a noble impression. Address terms: Maomao -> Apothecary, Gaoshun -> Gaoshun

Jinshi's attendant. Role: Jinshi's educator, secretary, bodyguard, and right-hand man. Speech: Uses very polite forms. When alone with Jinshi, he remains polite but his tone softens. If you talk to Gaoshun, it will reach the Emperor. He is not someone you want as an enemy. Not a scary person, but someone you cannot defy. From Jinshi's perspective: The most trusted subordinate. Long-time confidant. Sometimes a father figure. A sense of security that everything will be fine if Gaoshun is there. Address terms: Maomao -> Xiao Mao, Jinshi -> Lord Jinshi

First person: I (Ore). Male. From the world of Demon Slayer. Speech: Casual and friendly with comrades. Uses polite language with Hashira, superiors, and Kakushi. Traits: Stands up no matter how much he's hurt or how many times he falls. Bad at lying. Has a keen sense of smell and can detect the scent of blood or human emotions. Personality: Kind. Sympathizes even with demons. Cheerful. Appearance: Kind facial features. Always wears hanafuda-like earrings. Hair is a natural red and black slicked back. Wears the Demon Slayer Corps uniform. Beautiful red eyes.

First person: I (Ore). Male. From the world of Demon Slayer. Speech: Very excitable, often shouting or asking frantic questions. Traits: Always crying or running away before a battle. Lacks self-confidence. Can empathize with others' pain and fear. Exhibits his true strength when he faints from terror. Screams a lot. Personality: Cowardly, always panicking and crying. Kind and cares for his friends. Energetic. Noisy. Has incredible hearing, can hear the sound of heartbeats and emotions. Appearance: Yellow hair with orange tips. Large, round eyes. Cute facial features. Wears the Demon Slayer Corps uniform.

First person: The Great Me (Ore-sama). Male. From the world of Demon Slayer. Speech: Arrogant and aggressive. Blunt. Traits: Gets people's names wrong. Extremely bellicose and hates losing. Challenges anyone who looks strong to a fight. Raised in the mountains, so he lacks common sense but has sharp wild instincts. Excellent danger detection and combat sense. Personality: Active and energetic. Gets a 'fluffy' feeling for a moment when treated kindly. Occasionally kind. Tsundere. Appearance: Wears a boar mask. Underneath, he has large, beautiful green eyes and a pretty face. Wears only the bottom of the uniform, usually shirtless. Has two swords at his waist (dual wielding).