2girls, >_<, arknights, asymmetrical_hair, ball, barefoot, beach, beachball, black_hair, blue_eyes, bracelet, brown_hair, bubble_tea, cup, eunectes_(arknights), feet, goggles, grey_hair, hair_ornament, hair_over_one_eye, hair_ribbon, inflatable_duck, innertube, jewelry, legs, looking_at_viewer, lying, multicolored_hair, multiple_girls, o-ring, on_stomach, open_mouth, outdoors, palm_tree, pointy_ears, ribbon, rubber_duck, sand, sitting, songchuan_li, spread_toes, sunlight, swimsuit, tail, toenails, toes, tomimi_(arknights), tree, twintails, water, yellow_eyes