Rule 34 Dev - 2019 animated anthro closed_eyes disembodied_head disembodied_penis duo erection eyebrows fellatio frame_by_frame front_view fur furry greyscale head_tuft loop lukas_artair male male_only mammal monochrome number oral penile penis raikuma sex signature simple_background solo_focus text tuft ursid vein veiny_penis white_background|3929249776