1girl, ahoge, arknights, ball, beach, beachball, bikini, bingcan, black_eyes, black_hair, blue_sky, blush, breasts, cloud, cloudy_sky, feather_hair, hair_bun, halterneck, holding, holding_scythe, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), looking_at_viewer, medium_breasts, official_alternate_costume, outdoors, sand, scythe, short_hair, side-tie_bikini_bottom, sitting, sky, smile, solo, swimsuit, thighs, water, white_background, yokozuwari