Rule 34 Dev - animal_genitalia biceps black_background black_claws black_pawpads claws digitigrade erection fangs feet feral genitals glowing glowing_eyes grey_sheath knot male multi_genitalia multi_knot muscular muscular_feral muscular_male pawpads paws penis pink_penis pose presenting presenting_penis scales semi-anthro sheath simple_background smile solo standing tail teeth yellow_eyes cosmiclife mythology alien arkkin dragon hybrid mythological_creature mythological_scalie scalie 3d_(artwork) digital_media_(artwork) pinup|9853791570