Character Relationship Map: Mermaid Forest

Characters

• Yuta (voice) (played by Koichi Yamadera) — protagonist

  Cursed immortal wanderer seeking a cure for mermaid flesh transformation.

• Mana (voice) (played by Minami Takayama) — supporting

  Yuta's immortal companion and romantic partner, shares his eternal curse.

• Towa Kannagi (voice) (played by Mika Doi) — supporting

  Shrine maiden connected to mermaid lore and spiritual rituals.

• Shiina (young) (voice) (played by Kazumi Tanaka) — supporting

  Young assistant to Dr. Shiina, researching mermaid flesh effects.

• Dr. Shiina (voice) (played by Ryuji Saikachi) — supporting

  Ambitious scientist obsessed with curing or replicating mermaid immortality.

• Sawa Kannagi (voice) (played by Aiko Konoshima) — supporting

  Elderly relative of Towa, involved in family immortality pursuits.

• Soldier A (voice) (played by Toshio Kobayashi) — supporting

  Military guard enforcing quarantine around mermaid sites.

• Soldier B (voice) (played by Hikaru Midorikawa) — supporting

  Military personnel involved in securing mermaid-related artifacts.

• Police A (voice) (played by Masaharu Sato) — supporting

  Law enforcement officer investigating mermaid flesh incidents.

• Barker (voice) (played by Ginzo Matsuo) — supporting

  Foreign informant or announcer providing exposition on mermaid legends.

• Police B (voice) (played by Kazuo Oka) — minor

  Secondary officer assisting in mermaid flesh investigations.

• Captain (voice) (played by Yoshio Kawai) — minor

  Military commander overseeing mermaid artifact containment.

Canonical Relationships

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

• Yuta (voice) → Mana (voice) (romantic)

  Share eternal bond and mutual suffering from mermaid flesh

• Towa Kannagi (voice) → Sawa Kannagi (voice) (family)

  Family members involved in generational immortality pursuit

• Captain (voice) → Soldier A (voice) (power)

  Commander directing soldiers in artifact containment

• Dr. Shiina (voice) → Shiina (young) (voice) (professional)

  Lead researcher and assistant collaborating on mermaid studies

Story Dynamics

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

• Yuta (voice) → Dr. Shiina (voice) (conflict)

  Scientist seeks to exploit Yuta's condition for research

• Yuta (voice) → Towa Kannagi (voice) (narrative)

  Yuta's path intersects with Kannagi family's spiritual rituals

• Soldier A (voice) → Soldier B (voice) (alliance)

  Military personnel guarding mermaid-related sites

• Police A (voice) → Police B (voice) (alliance)

  Law enforcement officers investigating mermaid incidents

• Barker (voice) → Police A (voice) (social)

  Informant provides details to investigating officers