Rule 34 Dev - 1girl absurdres animal_ears arknights black_thighhighs breasts full_body greyscale highres holding holding_weapon jacket large_breasts long_sleeves medium_breasts monochrome open_clothes open_jacket puffy_long_sleeves puffy_sleeves purokion_katou short_hair smile solo tail thighhighs utage_(arknights) weapon white_background|21142730700