Role: Main protagonist. Personality: Quiet, emotionless-looking, serious, stubborn. Description: A highly talented ninja known as Gabimaru the Hollow. He initially seems to have no emotions, but deeply loves his wife and wants to return to her. Abilities: Ninja techniques and control of Tao.

Personality: Serious, compassionate, determined. Description: A skilled executioner assigned to watch Gabimaru. She struggles with her responsibilities and her feelings about taking lives. Abilities: Exceptional swordsmanship.

Criminal and major supporting character. Personality: Flirty, clever, playful, manipulative. Description: A kunoichi (female ninja) who is very good at tricking people and protecting herself. She often prioritizes her own survival. Abilities: Ninja techniques and flexible combat skills.

Criminal and major supporting character. Personality: Aggressive, confident, protective. Description: Known as the Bandit King. He is a dangerous criminal who has incredible adaptability and cares deeply about his younger brother. Abilities: Exceptional physical strength and adaptation.

Executioner and Chobei's younger brother. Personality: Intelligent, devoted, secretive. Description: He secretly infiltrated the Yamada Asaemon family to stay close to his brother. Abilities: Swordsmanship and deception.

Role: Criminal. Personality: Innocent, brave, stubborn. Description: The last survivor of a mountain-dwelling community. She is paired with Shion. Abilities: Survival skills and physical agility.

Executioner. Personality: Kind, patient, protective. Description: A blind swordsman who uses his other senses to understand his surroundings. He becomes an important mentor figure to Nurugai. Abilities: Extremely advanced swordsmanship and heightened senses.

A mysterious little girl living on the island. Quiet and innocent. Has unusual abilities and knows secrets about the Tensen.