FURVERT!

anthro avian balls bird cutaway domestic_ferret duo erection extreme_size_difference genitals hi_res larger_anthro larger_male lying macro_anthro macro_male male male/male male_(lore)male_anthro mammal micro_anthro micro_male mustelid musteline nude nude_anthro nude_male on_side penis pinned_by_balls pinned_to_leg size_difference smaller_anthro smaller_male squish true_musteline weasel weaselclaw werther