Character Relationship Map: 12 Suicidal Teens

Characters

• Satoshi (played by Mahiro Takasugi) — protagonist

  Satoshi is the organizer who created the website, invited the twelve participants, and verified their identities. He arrives late at the abandoned hospital and explains the planned life-or-death gathe...

• Kenichi (played by Yūto Fuchino) — supporting

  Kenichi is one of the participants and describes having endured years of bullying. His presence in the hospital is significant because Ryoko sees him before the official meeting, prompting her to hide...

• Ryoko (played by Kanna Hashimoto) — supporting

  Ryoko is a participant who entered the hospital early, waited outside, and hid in a restroom after seeing Kenichi there. She admits that she has been living under a false identity and came to bury her...

• Meiko (played by Yuina Kuroshima) — supporting

  Meiko is one of the participants in Satoshi's planned group suicide gathering. She faces accusations connected with her father and must explain her own reasons for joining the meeting. Her situation a...

• Anri (played by Hana Sugisaki) — supporting

  Anri is a participant whose behavior causes the others to suspect that she knows more about the hospital's suspicious events than she admits. Her perceived secrecy intensifies the investigation into N...

• Nobuo (played by Takumi Kitamura) — supporting

  Nobuo is a participant who survives being pushed down the stairs and later demands that the group let him back inside. He accuses the others of concealing what happened, then confesses that he deliber...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Satoshi → Nobuo (Power Organizer-Participant) — Nobuo is a participant in the gathering arranged by Satoshi.

  Satoshi organizes the meeting through the website and identity-verification process. Nobuo later appears at the hospital and identifies himself as a p...

• Satoshi → Anri (Power Organizer-Participant) — Satoshi holds organizational authority over Anri's participation.

  Satoshi created the website and invited the people who assembled at the hospital. Anri is one of the participants whose knowledge becomes a subject of...

• Satoshi → Meiko (Power Organizer-Participant) — Satoshi organizes the gathering attended by Meiko.

  Satoshi explains that he invited and verified the participants. Meiko is present and is questioned about her reasons for joining.

• Satoshi → Ryoko (Power Organizer-Participant) — Satoshi is the organizer of Ryoko's planned group meeting.

  Satoshi says he created the website and invited the participants. Ryoko attends the meeting and later admits that she entered the hospital early.

• Satoshi → Kenichi (Power Organizer-Participant) — Satoshi organizes the gathering in which Kenichi participates.

  Satoshi explains that he created the website, invited the participants, and verified their identities. Kenichi is one of the participants attending th...

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Ryoko → Kenichi (Social Prior Acquaintance) — Kenichi's presence is personally significant enough to alter Ryoko's movements.

  Ryoko admits that she entered early, then hid in a restroom after seeing Kenichi in the hospital.

Story Analysis

A planned group death becomes an unresolved moral investigation into guilt, responsibility, identity, and consent.

Plot Progression

1. A Gathering Behind Closed Doors — The participants enter an abandoned hospital through a concealed entrance and collect numbered plates. Satoshi arrives and explains his role in creating and managing the meeting.
2. Death Before The Decision — No. 0 is discovered apparently dead before the official meeting begins. The participants divide over whether to continue with euthanasia or investigate the suspicious death.
3. Secrets In The Arrival Order — The group searches the hospital and finds signs of earlier movement. Their investigation exposes Ryoko's early arrival, her hidden identity, and the emotional histories behind the meeting.
4. The Survivor At The Door — Accusations intensify around Meiko and Anri as the participants attempt to control the gathering. After a door is sealed, Nobuo reveals that he survived the stair incident.
5. Guilt Without Consent — Nobuo confesses to a deliberate killing that was judged accidental, forcing the group to reconsider its own moral position. A final confession about an unconscious disabled brother leaves the right to...