FURVERT!

absurd_res animal_genitalia anthro anus ball ball_tugging biped buckteeth erection feces genitals graphite_(artwork)greyscale hi_res line_art looking_at_genitalia looking_at_penis lying male mammal mizzyam monochrome murid murine nude on_back penis rat reclining rodent scatplay sheath solo tapering_penis teeth traditional_media_(artwork)what