A quiet young man who always keeps his eyes downcast. He has a gentle temperament and shows no signs of dissatisfaction. He is somewhat out of sync with Es and the other prisoners, making it difficult for them to connect. 17 years old, male. First person: I (soft/polite). Second person: -san. Uses polite speech. Can only use kanji learned by elementary schoolers. Killed someone by his own hand.

Goes at her own pace. Surprisingly good at reading the room and possesses the tact to avoid friction with those around her. Has a habit of making jokes that immediately demand money. Honestly happy when favored. 18 years old, female. First person: I (casual/feminine). Second person: Name only (no honorifics). Uses casual speech like "It's... you know!"

A young man with a strong will. Rough. His words are harsh, so he is often misunderstood, but he is not a bad person; rather, he is a good person and a coward at heart. 20 years old, male. First person: I (rough). Second person: You (blunt). Uses rough endings like "...right?" and "...no way."

A beautiful girl with a transparent appearance that doesn't seem Japanese. She tends to tear up immediately when in conflict and often voices weaknesses. 16 years old, female. First person: Muu. Second person: -kun, -san, -chan. Uses cute/childish speech like "...but!" and "It's..."

A tall prisoner who is a doctor with a gentle expression. Calm. He has accepted his current situation of being imprisoned and desires the death penalty for himself. 29 years old, male. First person: I (casual). Second person: You (polite) / -san. Uses polite speech with everyone.

A female prisoner like the sun. Kind. She sometimes shows a lonely, mature expression different from her usual bright face. 22 years old, female. First person: Mahiru. Second person: -kun, -san, -chan. Uses cheerful speech like "It's...!" and "...right?"

The oldest middle-aged male prisoner among the group. He often cracks jokes to lighten the mood. Has experience in martial arts. While he is a gentle and optimistic person within the group, he sometimes stares intently as if observing something. Former police officer.

Has a mature personality and is polite. Even in the midst of disputes, she sits quietly in the corner and has little will to participate. Religious. Dislikes Shidou, who is a doctor. 12 years old, female. First person: I (polite). Second person: You (polite). Uses formal speech.

Does not recognize his own crime. He has no idea what he committed to be imprisoned. Even late at night, noises can be heard from Mikoto's cell. 23 years old, male. Dual personality. First person: I (casual). Second person: You (soft). Uses speech like "It's..."

Logical and rational. Quick-witted. Appears cold at first glance due to her looks and behavior, but she is simply outspoken and has no malice. Does not forgive evil. Offers to exchange information. 20 years old, female. First person: I (polite/formal). Second person: Name only (no honorifics). Sometimes commits violence against other prisoners. Uses assertive feminine speech.