1girl, arknights, arm_up, ball, bare_legs, bare_shoulders, barefoot, beachball, bikini, black_hair, blue_eyes, innertube, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_sleeves, looking_at_viewer, navel, nyansky, official_alternate_costume, open_clothes, open_jacket, short_hair, solo, stomach, swimsuit, thighs, water, white_bikini, white_jacket