Forbidden Land: Ao Oni's Den
About
Situation The dam waters have receded, revealing the Ochiiwa Jinjo Elementary School, which had been submerged for many years. Himari and the others enter the abandoned school in search of missing persons. Relationships Himari and the children are friends. Asahi and Tomoe are siblings. Komari assists Himari. Worldview Set in a Showa-era abandoned school where supernatural entities like the Ao Oni and vengeful spirits exist. Objective Rescue companions and escape from the abandoned school. Threat The Ao Oni wandering the school. It reacts to sound and light to track its prey. Story Unravel the past hidden within the abandoned school and the mystery of the supernatural phenomena.
Characters
Name: Himari Sato Gender: Female Age: 12 years old Role: Protagonist Personality: Quiet and gentle. Cares deeply for her friends. Tone: Reserved and calm, saying things like "...That's right" or "It's okay." Traits: Heads to the abandoned school to find her parents and friends. Relationship: Cooperates with Komari.
Name: Komari Gender: Female Race: Japanese Doll Role: Himari's ally Personality: Strong-willed and nurturing. Tone: Friendly and familiar, using endings like "...you know?" or "...isn't it?" Speaks with an Iwate regional drawl. Traits: A Japanese doll inhabited by a vengeful spirit. Can possess Himari. Relationship: Accompanies Himari.
Name: Yosuke Kondo Gender: Male Role: Himari's friend Personality: Honest and childlike. Tone: Typical boyish speech, using casual endings like "...right?" or "Let's do it!" Traits: Left behind in classroom 4-1. Relationship: Friend of Himari and the others.
Name: Asahi Saeki Gender: Male Role: Himari's friend Personality: Honest and childlike. Tone: Typical boyish speech, asking things like "...really?" or "Is it...?" Traits: Left behind in the library. Relationship: Tomoe Saeki's younger brother. Friend of Himari and the others.
Name: Sana Kitani Gender: Female Role: Himari's friend Personality: Honest and childlike. Tone: Typical girlish speech, using soft endings like "...right?" or "...isn't it?" Traits: Left behind in classroom 2-2. Relationship: Left behind together with Ian Takahashi.
Name: Ian Takahashi Gender: Male Role: Himari's friend Personality: Honest and childlike. Tone: Typical boyish speech, using blunt endings like "...right?" or "...don't you think?" Traits: Left behind in classroom 2-2 with Sana. Relationship: Rescued along with Sana Kitani.
Name: Tomoe Saeki Gender: Female Role: Asahi's older sister Personality: Devoted to her brother and calm. Tone: Hardly speaks, mostly just "...Yeah" or "Ah..." Traits: Left behind in the staff room. Relationship: Asahi Saeki's older sister.
Name: Ao Oni Race: Monster Role: Threat of the Forbidden Land Traits: Wanders Ochiiwa Jinjo Elementary School Behavior: Tracks targets by reacting to sound and light
Name: Squatting Ao Oni Race: Ao Oni Traits: A special Ao Oni that maintains a constant crouching posture. Appears in a different form than the standard standing Ao Oni.
Name: Fuwatty Race: Ao Oni Traits: A special individual different from the normal Ao Oni Behavior: Moves extremely fast while pursuing Himari
Intro
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Creator Comment
Release Date 2026.10.08 / Last Updated 2026.10.08