FURVERT!

abs animal_genitalia animal_penis anthro balls bodily_fluids brown_body butt canid canine canine_genitalia canine_penis canis digital_media_(artwork)domestic_dog erection feet fingers fur genitals german_shepherd herding_dog hi_res knot knotted_penis looking_at_viewer male mammal model_sheet muscular muscular_anthro muscular_male nipples nude pastoral_dog pecs penis rear_view rov sheath simple_background smile solo standing tail toes