FURVERT!

abs all_fours anthro aoyi_aoyi balls bdsm big_penis black_body body_modification canid canine canis collar cybernetic_limb ear_piercing ear_ring foreskin front_view genitals hands_behind_back hi_res humanoid_genitalia humanoid_penis kneeling male mammal muscular nude penis piercing pubes retracted_foreskin ring_piercing robotic_limb signature simple_background solo wolf