FURVERT!

2012 animal_genitalia animal_penis anthro anus backsack balls bed biped black_body black_fur black_nose bodily_fluids brown_body brown_fur butt canid canine canine_genitalia canine_penis canis cum domestic_dog erection fur furniture genital_fluids genitals german_shepherd herding_dog knot looking_at_viewer looking_back lying male mammal morticus on_front pastoral_dog penis penis_backwards pose precum presenting presenting_hindquarters raised_tail rear_view solo tail vein white_body white_fur