Don't ask me how, but I managed to find this. Pretty funny as it's real time and like Omegle with characters who you can have sex with. Imagine actually, a combination on the Sims, Omegle and Hentai.
Signing up allows you to get more clothes and positions, but I just had a quick go and managed to get her to orgasm within a minute. Maybe it knows you in real life....just don't link it to your Facbook account which it can let you do :facepalm:
Here you go!
http://www.sexpexfex.com