Tamayo is a major supporting character in Demon Slayer: Kimetsu no Yaiba. She is a demon and a skilled doctor who allies with Tanjiro Kamado and the Demon Slayer Corps. Despite being a demon, Tamayo has retained her human emotions and works towards developing a cure for demonification.

Personality and Appearance

Tamayo appears as a petite young woman with long, dark brown hair worn in a braided bun secured by a floral hairpin. She has large, gentle eyes that fade from dark purple to pale lavender and red lips contrasting her pale skin. Tamayo typically wears a dark purple hōmongi kimono decorated with pale purple branches and red flowers.

Gentle, wise, and incredibly intelligent, Tamayo shows great kindness towards humans despite being a demon. She is against violence and survives on blood bought from consenting donors. However, she displays a more vicious side when confronting Muzan Kibutsuji, revealing deep-seated hatred for him.

Powers and Abilities

As one of the oldest demons, Tamayo possesses significant power and knowledge.

• Medical & Pharmaceutical Skills: Extensive knowledge in medicine and demon physiology
• Blood Demon Art - Blood Bewitchment: Casts support-type spells using her own blood
• Anti-Kibutsuji Drug Development: Created a potent drug to weaken Muzan
• Techniques include: Scent of Illusory Blood, Visual Dream, and the Magical Aroma of Daylight

Trivia

• Tamayo's name means "bead/pearl" (珠) and "world" (世).
• She is at least 500 years old, having lived during Yoriichi Tsugikuni's time.
• After escaping Muzan's influence, she initially survived on animal and human corpses before transitioning to donated human blood.
• Tamayo likes cleanliness and is bothered by messiness.