1girl, ahoge, arknights, ass, ball, beachball, bikini, black_hair, blue_sky, blush, breasts, cleavage, cloud, from_behind, goggles, goggles_around_neck, hair_bun, holding, holding_ball, holding_beachball, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_sleeves, looking_at_viewer, looking_back, medium_breasts, off_shoulder, official_alternate_costume, open_clothes, open_jacket, outdoors, palm_leaf, partially_submerged, purple_eyes, simple_background, sky, solo, swimsuit, vegetable_noda, wading, water, white_background, white_bikini, white_jacket