1girl, ahoge, arknights, bare_shoulders, bikini, black_hair, blue_eyes, blue_sky, breasts, cleavage, collarbone, cube_(cuberoot-of-e), day, grey_hair, hair_bun, hair_ornament, hairclip, id_card, jacket, jacket_over_swimsuit, la_pluma_(arknights), la_pluma_(summer_flowers)_(arknights), long_sleeves, looking_at_viewer, medium_breasts, multicolored_hair, official_alternate_costume, open_clothes, open_jacket, open_mouth, outdoors, see-through, short_hair, single_hair_bun, single_side_bun, sky, solo, swimsuit, two-tone_hair, unzipped, upper_body, white_bikini, white_jacket, wing_hair_ornament, x_hair_ornament