Searching for 星空旅館 (Starry Sky Inn) yields a few other yukkuri images and the identity of the game: It is an RPG Maker VX (non pornographic?) horror game, featuring the lady in the pic.
Tweak said: The human ladies in yukkuri pics seem to be getting ever more easy on the eyes. I am entirely okay with this. And kitty-Reimu is pretty damn cute.