Butterfly's Poison; Blood Chains
Released Jun 2023
Tokyo, 1918. World War I is coming to an end. Yuriko Nomiya, aristocratic by birth, is suddenly struck by a series of misfortunes. Is this fate brought about by the changing times, or is someone plotting against her? The dark, bittersweet tale of Yuriko and five young men is about to unfold...
94% positive · 106 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $44.99
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Evaluation
Butterfly's Poison; Blood Chains is a Steam port of a previously released console visual novel. The store description explicitly states that the game "includes all the additional upgrades of the console version" and that "all of the visuals and additional stories added to the previous console port have been implemented in the Steam version." This language indicates the game launched on Steam as a complete, fully-featured package with no further content planned. There are no DLC listings, no developer news posts announcing upcoming content, and no roadmaps or announcements pointing to future additions. The game has a well-established release history — originally a Japanese PC title, later ported and expanded for consoles, and now brought to Steam as a definitive port of that console version. It was released on June 13, 2023 and appears to have shipped as a finished product.
Evidence
Store description states the game includes all additional upgrades of the console version, describing it as a complete Steam port of the console release.
No DLC listings, season passes, or announcements of upcoming content are present.
Media
Details
Developer
Publisher
PROTOTYPE
Achievements
27
Platform
Windows
Controller
full support
Steam Deck
Verified
Players
Single-player
About this game
"Butterfly's Poison; Blood Chains" is a visual novel that depicts a mature love story.
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
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
Are these done yet?
Last evaluated Jun 21, 2026
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