FURVERT!

absurd_res animal_genitalia anthro balls body_size_growth boxer_briefs boxer_briefs_only canid canine canis clothed clothing disembodied_hand duo fangs fully_sheathed fur genitals greyscale hi_res human john_(justagoodboy)justagoodboy larger_male male male/male mammal monochrome navel nipples nude open_mouth pecs plantigrade sheath simple_background size_difference size_transformation smaller_male standing tail teeth tongue topless transformation underwear underwear_only uvula white_background wolf