FURVERT!

1:1 4_toes amber_eyes animal_genitalia animal_penis annoyed anthro anus arm_support balls big_penis biped black_body black_fur black_hair border_collie bottomless briefs canid canine canine_genitalia canine_penis canis claws clothed clothing collie digitigrade domestic_dog erection feet front_view fur genitals hair herding_dog hindpaw knot looking_at_viewer male mammal partially_clothed pastoral_dog paws penis presenting presenting_penis ran sheath sheepdog simple_background sitting solo straydog tail toe_claws toes underwear underwear_down white_background