Instead of searching for loose files, buy the game. Here is the best part: All modern ports include a "Gallery" or "Album" feature that unlocks CGs as you play.
"Chou no Doku, Hana no Kusari" (, lit. "The Poison of the Butterfly, The Scent of the Flower") is a Japanese visual novel developed by the doujinshi (indie) group, 07th Expansion. The game was initially released in 2007 and has since gained a dedicated fan base. chou no doku hana no kusari cg download