1girl, ahoge, arknights, ass, ball, bare_shoulders, beachball, bikini, black_eyes, black_hair, blue_sky, breasts, breasts_out, day, hair_bun, hair_ornament, hairclip, holding, holding_ball, innertube, jacket, jacket_over_swimsuit, kanshio, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_sleeves, mouth_hold, official_alternate_costume, open_clothes, open_jacket, outdoors, partially_submerged, see-through, short_hair, sideboob, signature, single_hair_bun, single_side_bun, sky, sleeves_past_wrists, small_breasts, solo, strap_gap, swimsuit, unzipped, wading, water, water_drop, whistle, white_bikini, white_jacket