rule 34 alien alien humanoid antennae anatomy black eyes bodily fluids boots bottomwear bow disambiguation breasts canteen cassidy clothed clothing day female fence footwear freckles grey alien grey background hat headgear headwear humanoid monochrome not furry on fence open clothing open mouth open shirt open topwear outside roswell grey shirt shorts simple background sitting sky solo source request spurs sun sweat tooneyd topwear 5317705