FURVERT!

4:3 animal_genitalia animal_penis anthro anthro_on_anthro backsack ball_fondling balls bdsm big_balls big_penis bondage bound bound_top butt canine_genitalia canine_penis chain charr dominant dominant_male dragon duo erection felid fondling foreskin gangerr genitals guild_wars hands_behind_back horn humanoid_genitalia humanoid_penis jewelry knot knotted_penis larger_male larger_sub licking male male/male mammal muscular muscular_male mythological_creature mythological_scalie mythology necklace non-canine_knot non-mammal_balls non-mammal_foreskin oral penile penis penis_lick raventhan scalie sex size_difference smaller_male smile spikes spikes_(anatomy)submissive submissive_male tail tongue tongue_out vein xuan_sirius