FURVERT!

1:1 aaron_(artist)against_surface animal_genitalia animal_penis anthro anus anus_focus ass_on_glass backsack balls balls_on_glass border butt canid canine canine_genitalia canine_penis canis domestic_dog erection genitals glass hi_res husky knot looking_back male mammal nordic_sled_dog nude on_glass on_surface penis perineum presenting presenting_anus presenting_hindquarters puffy_anus russel_(aaron)smile solo spitz vein white_border