Protagonist working for a paranormal detective agency. Originally taciturn, she possesses the Mystic Eyes of Death Perception and a male alter-ego. She investigates suicides and spirit attacks, battles a girl with telekinetic powers, and struggles with her fractured psyche. Her comatose state and recovery are central, highlighting her bond with her companion and her lethal abilities.
School acquaintance who observes Shiki's behavior and delivers ambiguous warnings.
SHIKI positions Mikiya as a threat to Shiki's isolation, escalating internal danger.
Psychological split where SHIKI embodies Shiki's suppressed rebellious nature.
Casual friendship formed through repeated chance encounters and mutual curiosity.
Loyal household servant providing crucial exposition about Shiki's lineage and dual nature.