Character Relationship Map: Missing Child Videotape

Characters

• Keita Kodama (played by Rairu Sugita) — protagonist
• Tsukasa Amano (played by Amon Hirai) — supporting
• Mikoto Kusumi (played by Kokoro Morita) — supporting

Story Dynamics

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

• Mikoto Kusumi → Tsukasa Amano (Alliance Investigation Associate) — They are connected through the shared effort to understand the disappearances.

  Mikoto speaks with Tsukasa at Keita's home, and later Mikoto and the others struggle to follow Keita and uncover the truth behind the disappearances.

• Mikoto Kusumi → Keita Kodama (Narrative Investigator And Subject) — Mikoto's investigation treats Keita as a central link between multiple disappearances.

  Mikoto visits Keita's home and investigates his connection to the recent disappearance, the older case, and the personal alarm he carries.

• Keita Kodama → Tsukasa Amano (Social Roommate) — They share a home and maintain a close personal connection.

  Mikoto visits Keita Kodama's home and speaks with his roommate, Tsukasa Amano. Keita and Tsukasa later investigate the mountain together.

Story Analysis

A reporter and two connected investigators pursue disappearances linked to a mountain, an impossible facility, and a disturbing videotape.

Plot Progression

1. A Rescue Reopens The Past — A missing boy is found near a river, reminding Mikoto of an older disappearance. She visits Keita and begins examining his connection to both cases.
2. The Tape From Childhood — Keita receives old belongings from his mother, including a videotape. The tape appears to contain clues about his vanished younger brother.
3. Evidence On The Mountain — Keita and Tsukasa explore the mountain and find an illegally dumped urn. The area's history as a place for unwanted objects strengthens Keita's suspicions.
4. The Ruins That Never Existed — Mikoto compares the videotape with disappearance records and finds the same ruins in both recordings. Historical records deny that such a facility ever existed.
5. A Dangerous Return — Tsukasa believes the mountain has affected Keita for years, while Keita's mother is found dead. Ignoring warnings, Keita leaves for the mountain as Mikoto and the others follow.