FURVERT!

animal_genitalia animancer anthro avoidedcat balls coati cock_transformation coonix digital_media_(artwork)duo extreme_size_difference genitals gulonine hi_res in_sheath larger_anthro larger_male male male/male mammal marten micro mouse murid murine mustelid musteline procyonid rat rodent sentient_penis sheath sheath_play sheath_vore size_difference smaller_anthro smaller_male transformation vore