FURVERT!

animal_genitalia animal_penis balls blush bodily_fluids border_collie canid canine canine_genitalia canine_penis canis collar collie domestic_dog erection feral genital_fluids genitals heavensdoor herding_dog hi_res knot looking_at_viewer lying male mammal monochrome moon_(frostybits)nipples pastoral_dog pawpads paws penis precum quadruped sheepdog simple_background solo thick_penis