Taisei Project Iku's Theme: A Prayer Worth Three Hundred Coulombs

Taisei Project (泰西プロジェクト) is an open-source Touhou Project fangame. Its development was started in 2011 by Laochailan, under the tentative title "OpenTH". Akaricchi, another programmer, became involved with the project starting in 2012, and the game saw its full first release later that year. After a five-year hiatus, development on Taisei resumed in 2017, during which the project received many more contributors. Since then, the story was rewritten and a full soundtrack was composed, and various other imp