FURVERT!

4_toes animal_genitalia animal_penis anthro anus auto_penis_lick autofellatio backsack balls blue_eyes brown_body brown_fur butt canid canine canine_genitalia canine_penis canis digital_media_(artwork)digitigrade domestic_dog erection feet fur genitals german_shepherd herding_dog hi_res hindpaw knot licking looking_at_viewer male mammal masturbation nude oral oral_masturbation pastoral_dog pawpads paws penile penile_masturbation penis perineum self_lick shaded soles solo spazzyhusky tail toes tongue tongue_out upside_down