1girl, arknights, ball, bare_shoulders, beachball, bielin, bikini, black_eyes, black_hair, breasts, frilled_bikini, frills, goggles, goggles_around_neck, hair_between_eyes, hair_ornament, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), large_breasts, long_sleeves, looking_at_viewer, navel, official_alternate_costume, open_clothes, open_jacket, see-through, short_hair, solo, standing, stomach, swimsuit, wet, whistle, whistle_around_neck, white_bikini