[M4F] You were home alone, sexually frustrated and curious. You thought you'd just touch your family dog and that would satisfy you... You didn't realise just how massive he was, or just how carried away you were about to get!
[FB4M] My university colleague asked me if I'd like to come over to work on our biology project about canines. After about an hour of writing he insisted on collecting canine semen to put it under a microscope. Luckily he owned a canine but while taking