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"There are things better left unknown" — The hidden masterpiece by ImCyan, creator of "Tsugunohi," finally arrives on Steam

A hidden paranormal detective mystery is revived on Steam. Experience the diverse presentation and gameplay that laid the foundation for the evolution of "Tsugunohi" today.

Game Overview

A full-scale drama-style horror adventure game where the protagonists, paranormal detective Yumemi Teru and his sister Yumemi Luna, who possess the special ability "Dream Link" to enter the dream worlds created by ghosts after death, solve spiritual cases occurring in the city.

Inheriting the will of their late mother, Yumemi Mimiko, the siblings dive into the dream worlds to save those who "know too much."

This is a full-fledged story-driven ADV by ImCyan, author of "Tsugunohi," originally published on the game site "Game Magazine" (which also featured "Angels of Death" and "Noel the Mortal Fate") from fall 2016 to summer 2018. Unlike "Tsugunohi," this work features exploration, mini-games, and various gameplay elements.

This package includes all episodes released at that time (Episodes 1–9; the 2018 special "The Case of the Mermaid" is not included). It serves as a perfect introduction to ImCyan's unique world for both long-time and new fans of "Tsugunohi."

Unique World and System

While using the familiar side-scrolling system of "Tsugunohi," this game incorporates unique story elements, settings, and game systems.

◆ Fascinating Ability Settings

• Teru's "Dream Link": The ability to enter the dream worlds created by spirits

• Luna's "Curse of the Red Thread": Supports returning from dreams to reality

◆ A blend of horror and comedy

• The protagonist works as a host in Shinjuku in a surprising turn

• Deep human drama themed on "Shikiyoku(lust)"

• A unique balance of humor and horror

◆ Authentic Investigation and Deduction Elements

• Gathering information in various places

• Gradually revealing complex mysteries

• A serialized mystery story that deepens over time

Story Highlights

The deep bond between Teru and Luna, the mystery behind their mother’s death four years ago, and the truth of incidents involving the "Curse of the Shikiyoku" and "SHIKIYOKU".

The story starts in a high school horror setting and unfolds across diverse locations including Shinjuku's host district, Akihabara, and forbidden lands, evolving into a serious, heavy narrative.

Appealing Characters

• The responsible paranormal detective Teru (CV: 横割れスプーン)

• The innocent yet jealous Luna (CV: 真宮ひな)

• Their mysterious late mother, Mimiko (CV: 西野五月)

• Various unique supporting characters

Overwhelming Volume

9 episodes in total

• Around 1 hour of playtime per episode

• Over 10 hours of total playtime

• From Episode 1 "The Case of the Missing High School Girl" to Episode 9 "The Case of Mimiko Yumemi's Disappearance"

Enjoy the grand narrative experience unique to serialized works, with different settings and incidents unfolding in each episode. (Note: The series is currently unfinished.)

※ Please read before purchasing (About future updates) ※
This package includes Episodes 1–9, originally released up to 2018. It does not include the special episode "The Case of the Mermaid" or any content from Episode 10 onward. As such, the series remains unfinished.
The developer, ImCyan, has expressed a strong intention to resume development and complete the story. Future episodes will be released as Steam DLC once completed (release date and pricing are currently undecided).
We sincerely apologize for the long wait and deeply appreciate your patience.
Please look forward to the continuation of the series at your own pace.

Any updates will be shared through Steam News or the official X account.

— Thank you, as always, for your support.

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Mild Strong Language:
Some vulgar language is used, but it is minimal and not pervasive throughout the game.

Themes of Suicide:
The game briefly touches on the theme of suicide, though it is handled with care and there are no explicit depictions or graphic descriptions.

Serial Killer Theme:
The game involves a storyline around a serial killer, including references to dismemberment. However, this is explored through text and there are no graphic or explicit depictions of violence.