Rip with extraction from gamefiles and converting from YU-RIS YCG to PNG by http://wks.arai-kibou.ru/ae.php?p=dl tool. Currently only cg, hdcg and bg. Will add separate gallery with character sprites if you ask.
looks like AEtools didn't convert all pics, so some of sprites was remain unconverted. Btw, https://www.mediafire.com/folder/s9dwx9fz8ydp8/%5Bad:lib%5D_ドコのドナタの感情経路 - mirror on mediafire. Sorry, but this gallery seems pretty fucked, so I decided to reupload it, with fixing the order and without dupes. In progress.