
Screenshots

Watch trailer on Steam ↗虚构未来(Imaginary future)
Seventeen horns · Published by Seventeen horns · Official site ↗
Content notice: Small dialogue Minor plot Petty violence
Very Positive — 82% positive (131 reviews) · 42 achievements
Last updated 28 Sept 2026
Embark on the journey to your envisioned future! In this Japanese-style role-playing game infused with elements of microcosm and yuri, you will take on the perspective of Koushuki, a former gang girl. Experience the profound changes unfolding in the Serbian town through a series of events.
£9.99
Lowest price we've ever recorded
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Price history
Indie, RPG · 2024 · More £5 - £15 games
Step into Koushuki’s world as she navigates the complex changes in a Serbian town, exploring themes of microcosm and yuri in this immersive Japanese-style RPG from Seventeen horns.
About this game

A thorough crackdown on the underworld has been initiated by the City Hall of Serbia! Koushuk the former leader of the Black Shadow gang, loses everything in this catastrophic operation. However, through a fortunate turn of events,Koushuk becomes an unofficial member of the police force, working as an undercover cop.
However, due to recent reports of a serial killer on the loose, people in this small town, within the jurisdiction area, are highly vigilant. During an investigation, Kosatsuki encounters the enigmatic detective girl, Yana Mai.
Amidst the presence of cult followers, the peculiar town, the impending threat of the serial killer, and the conspiracy of the Crimson Lotus Society, the fate of these two girls intertwines. As they navigate through countless events, their ultimate destiny remains uncertain.

Experience an immersive gameplay of over 20 hours with a rich storyline, extensive side quests, and engaging missions.
Engage in thrilling battles using the intricate Dragonbone combat system, accompanied by stunning skill performances. Each character boasts unique and adorable models and animations!
Explore a variety of gameplay mechanics, including gathering, alchemy, cooking, item appraisal, and skill trees, ensuring a diverse range of activities to fulfill your gaming desires.
With the inclusion of a dynamic time system, the world undergoes different changes as day turns into night.
Prepare for multiple endings! The game offers both a regular ending route and a true ending route, adding depth and replayability to the overall experience.

20 hours and more


[Gu shuoyue ]Combat cv:other
Once a gang girl, Kosatsuki now serves as an unofficial police officer, ensuring law and order in Serbia.

[Banaime]Combat cv:other
Self-proclaimed amateur journalist, alchemist, occultist, and archaeologist detective girl.

[Hecate]Combat cv:None
A girl who comes to the aid of Kosatsuki in times of crisis, but her true identity remains unknown.

[Shiro]
A mysterious girl whose true intentions remain elusive. What is her ultimate goal?

[Mysterious Girl]cv:青木阳菜
……

[Anna]Combat cv:闲踏梧桐
A close friend of Kosatsuki, who inherits her father's cake shop.

[Lucy]Combat cv:闲踏梧桐
A wealthy heiress from Arkham City, currently searching for her missing brother.

[Mephis]Combat cv:闲踏梧桐
The demons of ancient times.
System Requirements
Will my PC run this? →Minimum
- OS: Windows7
- Processor: IntelE5300 or better
- Memory: 4 GB RAM
- DirectX: Version 9.0
- Storage: 4 GB available space
Recommended
- OS: Windows10
- Processor: Intel i5 8400 or AMD R5 2500X
- Memory: 8 GB RAM
- DirectX: Version 9.0
- Storage: 50 GB available space
Supported Languages
Latest news
AnnouncementsOfficial
《神树残响》商店页及demo公开!
Our next yuri card battle RPG "Echoes of the Divine Tree" has now opened its store page and demo release. If you're interested in our new game, add it to your wishlist!Read full article on Community Announcements (人鱼之歌)Patch NotesOfficial
Small patch(7.21)
1. Fixed some typos. 2. Fixed a BUG in Arkham City that made it possible to ignore the sheriff's quest in advance.Read full article on Community Announcements (人鱼之歌)Patch NotesOfficial
Small patch
1.Fixed a file missing error in Chapter 5 of the English version.Read full article on Community Announcements (人鱼之歌)Patch NotesOfficial
Small patch
1.Fixed a file missing in the English version. 2.Fixed an event handling in the English version.Read full article on Community Announcements (人鱼之歌)Patch NotesOfficial
Small patch
1.Fixed an se file missing in the English version. 2.Widened the interface of the task navigation panel in the English version.Read full article on Community Announcements (人鱼之歌)






