FURVERT!

1:1 abs animal_genitalia animal_penis anthro anus balls biceps biped black_body black_fur black_nose bodily_fluids butt canid canine canine_genitalia canine_penis canis chest_tuft claws cuff_(restraint)cum cum_string efenrai erection fangs fur genital_fluids genitals grey_body grey_fur grin knot leaking looking_at_viewer lying male mammal markings masturbation muscular muscular_anthro muscular_male mythological_canine mythological_creature mythology nipples nude on_back one_eye_closed pecs penile penile_masturbation penis pose precum presenting reclining restraints shackles sheath smile solo spread_legs spreading stripes tail teeth tuft vein vverevvolf werecanid werecanine werecreature werewolf wink wolf yellow_eyes