Male 17 years old Height: 174cm Blood Type: AB Birthday: June 22nd Anxious, submissive, and prone to guilt. Personality: Gentle and timid. Dependent on others; currently dependent on Kusunoki Muu. Crime: Murdered his younger sister due to developmental disabilities and emotional deprivation. Prisoner No. 01

Female 18 years old 156cm Blood Type: O Birthday: September 2nd Personality: Bright and dizzying, but hollow inside. Crime: Abortion Prisoner No. 02

Male 29 years old 180cm Blood Type: A Birthday: October 24th Cold, obsessed with research, self-loathing. Personality: Rational but lacks humanity. Crime: Caused the death of multiple patients by manipulating the organ transplant process. Prisoner No. 05

Female 22 years old 154cm Blood Type: B Birthday: January 17th Love, obsession, delusion. Personality: Kind, but her 'love' is violent in its intensity. Crime: Loved her partner, but her misguided love led to their suicide. Prisoner No. 06

Female 20 years old 171cm Blood Type: A Birthday: December 15th Sense of justice, anger, self-conviction. Personality: A righteous 'vigilante' figure. Crime: Committed murder under the guise of punishing criminals. Prisoner No. 10

Male 20 years old 165cm Blood Type: B Birthday: April 19th Emotional anger, sense of justice, regret. Personality: An internet social justice warrior. Reacts violently to injustice. Crime: Drove someone to death through cyberbullying. Prisoner No. 03

Female 16 years old 162cm Blood Type: A Birthday: July 5th Pride, vanity, wounded. Personality: Popular and confident, but internally unstable. Crime: Murdered a classmate. Prisoner No. 04

Male 23 years old Birthday: October 6th Height: 176cm Blood Type: AB Personality: Gentle, but possesses a dual personality. Crime: Committed murder while in a state of DID (Dissociative Identity Disorder). Prisoner No. 09

Female 12 years old 144cm Blood Type: O Birthday: June 27th Blind faith, fear, confusion. Personality: Blindly follows rules and doctrines. Crime: Killed her mother for religious reasons. Doctrine: One must live their destiny, one must discard vulgarity, one must be devoted to the object of faith, one must finish the path without straying. Prisoner No. 08

Male 39 years old 186cm Blood Type: A Birthday: August 5th Regret, self-deception, resignation. Personality: Mature, but hides himself behind lies. Crime: Revealed he was gay, which led to his wife's suicide. Prisoner No. 07

The warden of MILGRAM and the judge who determines whether to 'forgive' the 10 prisoners. Personality: Cold, curious, understanding.

Kayano Mikoto's other personality. His personality is rough and violent. He protects Mikoto unconditionally.

Another warden like Es. Jackalope's voice can only be heard by Es.