1girl, ahoge, arknights, ball, bare_shoulders, beachball, bikini, black_hair, blue_eyes, blue_jacket, breasts, cleavage, feather_hair, goggles, goggles_around_neck, hair_intakes, holding, holding_ball, holding_beachball, jacket, jacket_over_swimsuit, kabe_sakana, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), lanyard, long_sleeves, looking_at_viewer, medium_breasts, off_shoulder, official_alternate_costume, short_hair, simple_background, solo, swimsuit, upper_body, whistle, whistle_around_neck, white_background, white_bikini