Rule 34 Dev - ambiguous_gender anal anal_sex anthro briefs clothing crouching digitigrade disembodied_penis duo erection fish front_view furfit hand_on_thigh horn line_art long_tail looking_at_viewer looking_pleasured male male/ambiguous male_only mammal marine multiple_images nude open_pants penetration penis penis_through_fly pinup pointy_ears poking_out pose presenting presenting_penis reclining shark side_view sketch_page solo tapering_penis tattoo tongue tongue_out underwear unknown_character yaoi|2378485712