FURVERT!

animal_genitalia animal_penis anus balls bed black_body black_fur black_tail blue_eyes brown_balls brown_body brown_fur brown_pawpads canid canine canine_genitalia canine_penis canis domestic_dog ears_back erection feral fur furniture genitals glistening glistening_eyes hairless_balls inside knot lying male mammal on_bed on_front pawpads penis penis_backwards perineum pivoted_ears presenting presenting_anus presenting_balls presenting_penis puffy_anus raised_tail rear_view red_penis solo sploot tail tail_anus unbreakable-warrior vein veiny_knot veiny_penis white_body white_fur