ぱちゅコン!
PatchCon! Defend the Library is a real-time strategy game developed by [[Twilight Frontier]] (tasofro) and released on December 31st, 2007. You control various characters (dolls) from the [[Touhou]] series in great quantity and repel waves of attacks from your enemies. The main goal of the game is to protect the books in a bookcase from these various waves, but it sports a variety of different extra modes as well.

Official page and video: http://www.tasofro.net/patchcon/index.html
patchcon