Grand Scarlet Devil was ruined overnight?Homeless vampire without choice but to take the pickaxe,heading to east mine and collecting the materials...Flan prepare to purchase the tools,recruit the (rabble) companies,and rebuild the masion!

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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“I want to invite players to join the development journey during this crucial phase. As an idle game, game balance, numerical progression, and the variety of new mechanics strictly rely on genuine community feedback. Early Access allows us to continuously adjust and polish the game experience based on player suggestions, ultimately crafting a far better full release.”

Approximately how long will this game be in Early Access?

“We expect the Early Access phase to last approximately 6 months. However, the exact timeframe will depend on community feedback and the amount of new content I decide to add during development.”

How is the full version planned to differ from the Early Access version?

“The full version is planned to feature richer content and deeper systems, including:

Addition of several brand-new features and gameplay mechanics

Unlocking more characters, equipment, skills, and build options

A more stable, refined game system along with multi-language support

Further polished UI, visual, and audio presentation based on community feedback”

What is the current state of the Early Access version?

“The current Early Access version already features the core gameplay loop and foundational framework. Players can currently experience:

Core gameplay mechanics and base systems

20 unlockable characters and items/equipment
The game is currently running stably overall, though some minor bugs or details may still need further optimization.”

Will the game be priced differently during and after Early Access?

“Yes. To show my appreciation for early supporters during the Early Access phase, the EA price will be relatively lower. As we expand the game's content and approach the full release, we plan to moderately raise the price upon official launch.”

How are you planning on involving the Community in your development process?

“I value every single suggestion from the community! Players can communicate directly with us through our official QQ group. I will actively review feedback and highlight community-driven updates in our developer logs.”
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This game is not yet available on Steam

Planned Release Date: Aug 31, 2026

This game plans to unlock in approximately 9 days

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About This Game

The Scarlet sisters accidently annoyed—Reimu Hakurei—resulting in the Scarlet Devil Mansion meeting a tragic end and being ruined overnight.

Flan could only watch her former home in despair, standing helpless among the ruins...

Left with no choice, Remi and Flan had to bite the bullet and build everything back from scratch. Just then, Remi remembered an abandoned Scarlet Mine located to the east of the old mansion...

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Featuring

  • Seeing cute Flan who is mining strugglingly

  • Improving the attribute by using EXP to level up

  • Purchasing the item from the shop

  • Recruiting the companions by using Gems

  • Finishing the diverse Achievement

  • And rebuilding the Scarlet Devil Masion eventually...

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64bit
    • Processor: x64 architecture with SSE2 instruction set support
    • Memory: 1 GB RAM
    • Graphics: DX11, DX12 capable
    • DirectX: Version 11
    • Storage: 500 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
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