Character Relationship Map: The Locker

Characters

• Rieka Yajima (played by Asami Mizukawa) — protagonist

  Rieka Yajima is a member of the friend group drawn into the supernatural mystery. After hearing a baby-like cry, she experiences memory gaps and receives a disturbing image she does not remember sendi...

• Yuna Matsukawa (played by Chisato Morishita) — supporting

  Yuna Matsukawa is part of the friend group affected by the crying phenomenon and the spreading curse. She has a romantic connection with Keitaro and admits, together with Rieka Yajima, that she has he...

• Akihiko (played by Soko Wada) — supporting

  Akihiko is a member of the friend group and is described as especially close to Ai Fukami. His disappearance with Ai becomes one of the first major signs that the group’s frightening experiences are m...

• Ai Fukami (played by Mayuka Suzuki) — supporting

  Ai Fukami is a friend within the group and shares a close bond with Akihiko. After the pair disappear, she is found receiving hospital treatment for a sudden and unexplained illness. She briefly appea...

• Keitaro (played by Tomohisa Yuge) — supporting

  Keitaro is connected romantically with Yuna Matsukawa and belongs to the wider circle affected by the supernatural incidents. His death is later reported as part of the mounting unexplained fatalities...

Canonical Relationships

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

• Yuna Matsukawa → Keitaro (Romantic Connection) — The plot identifies a romantic connection between Yuna and Keitaro, and later reports that Keitaro has died.

  The friends joke about romance and their relationships, including Yuna Matsukawa's connection with Keitaro.

Story Dynamics

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

• Rieka Yajima → Yuna Matsukawa (Alliance Shared Witnesses) — They share a frightening experience and fear that the camping-trip group may be cursed.

  Rieka and Yuna admit that they have both heard the baby crying.

• Ai Fukami → Akihiko (Social Close Companions) — Their closeness is noted by the group before they disappear, making their shared fate a source of concern.

  The friends discuss the closeness between Ai Fukami and Akihiko. Later, both go missing.

Story Analysis

A group of friends confronts unexplained cries, disappearances, and illness while the cause remains uncertain.

Plot Progression

1. The River Cry and Broken Statue — Friends trade ghost stories before a baby-like cry by the river becomes entangled with a prank involving a guardian statue. Rieka insists that the sound was real, and the group hears it again.
2. Disappearance and Doubt — The friends discuss their relationships, then Ai and Akihiko go missing. Police consider drugs, but their friends reject that explanation.
3. Signs of a Possible Curse — A discussion of superstitions and a lucky locker sits alongside Rieka's memory gaps and the disturbing image. Rieka and Yuna fear that the camping-trip group may be cursed.
4. Deaths and Uncertain Hope — The survivors learn that Keitaro and others have died while Ai is hospitalized with an unexplained illness. After a brief improvement, Ai collapses, leaving her fate unresolved.