

Butterfly's Poison; Blood Chains - Free PC Download
It was first released in Japan as "Chou no Doku, Hana no Kusari (蝶の毒 華の鎖)", and while the original game contained adult content and was unsuitable for minors, it was later remade to meet the appropriate ratings for video game consoles and distributed worldwide as "Chou no Doku, Hana no Kusari: Taisho Tsuyakoi Ibun (蝶の毒 華の鎖~大正艶恋異聞~)" (ESRB M / PEGI 16 / USK 16 / CERO D).
This game is a Steam port of the console version.
・Includes all the additional upgrades of the console version
All of the visuals and additional stories added to the previous console port have been implemented in the Steam version.
・Fully voiced (excluding the main character)
・The text can be set to English or Japanese
This includes in-game text, options, and the digital manual. Language settings can be changed at any time.
(Voices and the text in the opening movie and credits will be displayed in Japanese.)
・Touch gestures can also be used if you're playing on a tablet PC or a Steam Deck









This text comes straight from the game's store page and is pulled in automatically. We don't write or edit it, so it may contain spoilers.
System Requirements
- Min
- Windows® 10 (64bit) / Windows® 11 (64bit)
- Rec
- -
- Min
- intel® Core™ 2 Duo equivalent or higher
- Rec
- -
- Min
- 2 GB RAM
- Rec
- -
- Min
- Graphics card or integrated graphics with DirectX® 11 support, 1280x720 or higher display resolution
- Rec
- -
- Min
- Version 11
- Rec
- -
- Min
- 4 GB available space
- Rec
- -
- Min
- DirectSound compatible sound device
- Rec
- -
- Min
- Supports touch screen devices / Steam Deck: Proton 8 is recommended
- Rec
- -
These are the developer's listed requirements and may not be 100% accurate. If your specs fall below the minimum, try the game anyway; many games run fine below the listed requirements. When in doubt, check YouTube for performance benchmarks.
Download
Download the files from any mirror below. All parts are needed. Save them to the same folder, then extract the first one.
We don't accept fix requests when only one host is down. Please use another mirror above. Links broken? Let us know.
We never password-protect files or hide installers. If a page asks for a password or payment, that is the host's ad, not us. See our safety guide.





