Two for One: Rubber vs. Flesh story

I've already missed a few posts on my blog, so I decided to make up for lost time. Specially for my loyal subscribers, I decided to fuck two bitches at once in one lesson! The two tutors, however, did not agree to come at the same time. So I called my old acquaintance, with whom I spent many sweet moments - Rubber Ruby. You won't believe it, but the inflatable doll turned my tutor on so much that instead of doing Calculus, we had the dirtiest sex of her life...