FURVERT!

2017 4_toes 5_fingers abs all_fours animal_genitalia animal_penis anthro anus ass_up balls black_body black_fur brown_body brown_fur butt canid canine canine_genitalia canine_penis canis collar digitigrade domestic_dog erection feet fingers flexible_survival fur genitals german_shepherd glistening glistening_genitalia glistening_penis hand_on_butt herding_dog holding_penis kneeling knot korvin_(flexible_survival)looking_at_viewer looking_back looking_back_at_viewer lytta_the_bug lyttav male mammal nude pastoral_dog penis pose presenting presenting_hindquarters raised_tail rear_view simple_background solo spread_anus spread_butt spread_legs spreading submissive submissive_male tail teeth toes tongue tongue_out white_body white_fur