FURVERT!

1:1 aant animal_genitalia animal_penis anthro ball_tuft balls bdsm black_body black_fur bondage bound canid canine canine_genitalia canine_penis canis claws clothing cygames erection feet fur genitals green_eyes hands_behind_back headgear headwear hi_res kneeling knot looking_at_viewer male mammal muscular muscular_male muscular_sub navel nipples pecs penis rolf_(world_flipper)simple_background solo submissive tail teeth tuft vein wolf world_flipper