Planned Release Date: 2026

About This Game

◆ About the Game: A coming-of-age tale of a girl bound by fate

Years after the revolution, the newly founded nation of Kikoku—born from the ruins of a fallen dynasty—remains mired in unrest.

At the center of the chaos lurks Hiseido, a secret organization operating from deep within the imperial capital.

From intelligence gathering to assassination, Hiseido manipulates the fate of the nation from the shadows.

Into this hidden world steps Takekosen, a girl who chooses to walk the path of darkness.

She must overcome her final trial—and inherit the name of Hisei.

◆ Story Structure

This chapter serves as the prologue to the full-length story of The Dagger of Hisei.

It does not yet reveal the story’s ultimate conclusion.

If you're hoping for a complete ending, please note: this installment introduces the world and its main characters—the journey is only just beginning.

◆ Game Features

• Chapter One marks the official beginning of The Dagger of Hisei, depicting the pivotal moment when Takekosen awakens to her fate as a Hisei.

• Fully Voiced (Japanese)
  All major characters are fully voiced to enhance immersion. Experience emotional nuance and tense, dramatic dialogue brought vividly to life.

• Original Soundtrack
  The entire soundtrack was composed to fit the game’s unique setting, including a main theme song that captures the heart of the story.

• Estimated Playtime: ~90 minutes
  Though short in length, this tightly crafted prologue delivers a rich visual novel experience that blends Eastern fantasy, political intrigue, and trials of fate.

◆ Development Approach

This visual novel was independently developed by a small team.

The story will be released in chapters over time. Each chapter offers a self-contained experience while also contributing to a larger, overarching narrative.

◆ Use of Assets

All background images and some illustrations and visual assets were generated and refined using AI-assisted tools.

All final visuals and scene compositions were completed under human supervision and creative direction.

If you have concerns about this production method, please take note before playing.

◆ Future Chapters

Future chapters are planned for release as paid DLC.

Her journey is only just beginning.

◆ Main Characters

Takekosen

CV: Minamo Aoto

The Successor-to-Be
An orphan taken in by Hiseido after the revolution, now standing at the threshold of her final trial—to earn the name of Hisei.

Hagun

CV: Ryuta Date

The Blade in Shadow
A silent assassin feared as the “Demon Blade,” he once served with merciless precision—but now watches over Takekosen’s awakening as her mentor.

Doushu

CV: Toshinari Taga

The Watcher Above All Hisei
Leader of Hiseido and guardian of its secrets, he guides Hagun and Takekosen with quiet authority—seeking the one worthy to inherit the name of Hisei.

Hakuin

CV: Sou Katatsuka

The Quiet Strength
A seasoned Doushi and Hagun’s trusted right hand, he bridges people with calm words and steady resolve—even as the shadows of Kyojo grow deeper.

Enji

CV: Shiro Yukino

The Girl from the Undercity
A mysterious child found in the slums of Kyojo, her fragile presence stirs memories of the past Takekosen tried to forget—pain shadowed by a faint, fragile hope.

Mankyu

CV: Ryo Ishitaki

The Old Hand of Tenkyuuban
A veteran gang boss surviving in Kyojo, he holds his crew together with laughter and curses—living by pride alone in a city that has long forgotten his kind.

◆ Other Main Cast

Koujin

CV: Takayuki Ito (UMEX)

Chouchiso

CV: Shin Shinohara (UMEX)

Shikuu

CV: Yuka Suzuki (UMEX)

Sekishokai (Youth)

CV: Alvin Kinoshita

◆ Staff

Title Logo: Yuna Matsushita

Original Concept: Migeru

Script: Tomoko Watanabe

Character Design & Artwork: Hisei Shiki

BGM: Ichiko

Sound: —

UI Design: Hanasakuno

Programming & QA: Migeru

Special Thanks: Kaori Yanagibashi

Production: Sword of Dew Studio

◆ Theme Song

Title: Tobikakeru (天翔る) — Soaring Beyond the Heavens

Lyrics & Composition: Ichiko

Vocals: Ichiko

Artist Name: tamayura

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

All background images, some illustrations, and some visual effects in this game were created using AI tools under developer supervision.
All AI-generated materials were reviewed and refined to ensure consistency with the game’s artistic style.
No AI is used to generate content or code during gameplay.

Mature Content Description

The developers describe the content like this:

This work contains combat scenes and mild depictions of bloodshed, but it does not include excessive violence, gore, or any sexual content.