Rule 34 Dev - 1girl alternate_costume ass ass_focus assault_rifle blush bodysuit from_behind gdat girls'_frontline gloves green_eyes grey_hair gun hair_ornament hairclip heckler_&_koch helmet hk416 hk416_(girls'_frontline) jacket long_hair looking_at_viewer looking_back pants rifle skin_tight smile solo very_long_hair weapon|24850154511