This animated gif is from a hentai game called “Funhouse”. The player, Rosa (a cute girl with pink hair) is fucked anally by a purple monster. You can download this game here: http://vanjas-world.com/blog/hentai-games/hentai-game-funhouse-hentai-world-game-series/
This gif was created by Vanja, you can see more of her work here:
