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Hira Hira Hihiru official game artwork

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"Hira Hira Hihiru" is a visual novel set in a fictional Taishō Era. It tells the story of its two protagonists' struggle against Aerodema, a terrifying disease which brings the dead back to life.

Steam ↗Windows
GameWiki EditorialReviewed 5 guide topics

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About Hira Hira Hihiru

Hira Hira Hihiru is a visual‑novel adventure set in a fictionalized Taishō Era Japan. The narrative follows Dr. Shūhei Katori’s research into Aerodema, a condition where the dead return with fading cognition and rotting bodies. Through the perspectives of young doctor Masamitsu Chigusa and student Takeo Tenma, players witness how society’s reverence for these “hihiru” shifts to fear and medical scrutiny.

The game is a single‑player experience developed by BA‑KU and published by ANIPLEX.EXE. It runs on Windows and supports family‑sharing, allowing multiple accounts on the same device. No console or Linux versions are listed.

01 / THE GUIDE

Setting and Story

The world of Hira Hira Hihiru blends historical Taishō aesthetics with a supernatural premise: the dead rise as “hihiru,” beings whose cognition and bodies deteriorate. Historically revered, these entities become medically classified as Aerodema, prompting scientific study.

Dr. Shūhei Katori leads field studies to improve conditions for Aerodema patients. The story unfolds through Masamitsu Chigusa, a doctor’s assistant, and Takeo Tenma, a student newly confronted with the phenomenon.

  • Focus on dialogue to grasp the cultural shift from reverence to medicalization.
  • Note how each character’s viewpoint adds layers to the Aerodema narrative.

02 / THE GUIDE

Main Characters

Masamitsu Chigusa serves as a young doctor assisting Katori’s research, offering a professional lens on Aerodema. Takeo Tenma is a student whose prior distance from the issue changes as he encounters the condition directly.

Both characters act as narrative conduits, allowing players to experience the scientific and personal impacts of Aerodema within the Taishō setting.

  • Observe how each character reacts to patient interactions for deeper story insight.
  • Compare their attitudes to understand the societal divide.
Hira Hira Hihiru official gameplay screenshot
Publisher-provided gameplay image · BA-KU

03 / THE GUIDE

Development and Staff

The visual novel was planned and scripted by Renya Setoguchi, with character designs by Zennosuke. Music composition was handled by MANYO, while UI design was created by Kenzo Nagaoka.

Development was overseen by BA‑KU, and the title was produced under the ANIPLEX.EXE label.

  • Listen for recurring musical motifs that reflect the era’s mood.
  • Notice UI choices that reinforce the historical aesthetic.

04 / THE GUIDE

Gameplay Style

Classified as an adventure and casual visual novel, Hira Hira Hihiru presents story-driven progression without combat or complex mechanics. Players advance by reading dialogue and making occasional choices that affect narrative flow.

The single‑player focus emphasizes immersion in the Taishō world and the ethical dilemmas surrounding Aerodema.

  • Take time with each dialogue block to absorb world‑building details.
  • Consider the moral weight of choices, even if outcomes are subtle.

05 / THE GUIDE

Platform Availability

Hira Hira Hihiru is released for Windows PCs only; macOS and Linux versions are not listed. The game supports family sharing, allowing multiple user profiles on a single Windows installation.

No mention of console ports or partial controller support is provided.

  • Ensure your Windows system meets the basic requirements before installing.
  • Use the family‑sharing feature to let friends or family try the game without separate purchases.

WATCH THE GAME

Hira Hira Hihiru videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

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COMMUNITY

Player discussion

    QUICK ANSWERS

    Hira Hira Hihiru FAQ

    What historical period does Hira Hira Hihiru portray?

    The game is set in a fictional version of Japan’s Taishō Era, blending period aesthetics with supernatural elements.

    Is there any multiplayer component?

    No. The title is a single‑player visual novel, though it supports family sharing on Windows.

    Can I play the game on a Mac?

    The official release lists Windows only; macOS is not supported.

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    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-22. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.