FURVERT!

1996 ambiguous_gender animal_genitalia animal_penis balls black_and_white dated duo erection extreme_size_difference felid feline feline_genitalia feline_penis feral fur genitals line_art lying male male/ambiguous mammal monochrome motion_lines murid murine on_back oral paws penis penis_in_mouth rat rodent sheath simple_background sitting_on_balls size_difference spread_legs spreading stroking_penis tail urbanhermit white_background