FURVERT!

ankles_tied anthro areola balls big_fangs biped black_areola black_body black_ears black_fur black_lips black_nipples black_nose bound canid canine canis digital_media_(artwork)dobermann domestic_dog erection fangs fur genitals glans humanoid_genitalia humanoid_penis lips lying male mammal muscular muscular_anthro muscular_male ninetht nipples on_ground on_side orange_balls orange_body orange_fur orange_inner_ear penis pink_glans pink_penis pinscher shaded simple_background solo spread_legs spreading teeth vein veiny_penis