- Voice Actor (CV)
- Ryouko Shiraishi
- Gender
- Female
- Age
- 24
- Role
- Supporting
- Identity
- Head Nurse at Mochizuki General Hospital & Close-Combat Specialist of the Clandestine Execution Unit 'Black Label'
Personality
Split Personality
Bloodthirsty Instinct
Gentle Demeanor
Eidetic Memory
Heavy Weaponry Enthusiast
By day, Sayo Hitsugi serves as a compassionate and soft-spoken head nurse at Mochizuki General Hospital. But when duty calls from the covert organization Black Label, she dons her iconic demon mask and transforms into a ruthless executioner. Armed with superhuman strength, a flawless photographic memory, and a deadly command of heavy firearms like the Gatling gun, she delivers devastating judgment upon her targets.