1girl, arona_(blue_archive), bad_pixiv_id, bikini, blue_archive, blue_eyes, blue_hair, blurry, blurry_background, blush, bow, braid, day, flat_chest, frilled_bikini, frills, hair_bow, hair_over_one_eye, hairband, halo, long_hair, looking_at_viewer, multicolored_hair, navel, open_mouth, outdoors, pink_hair, sky, smile, solo, strap_pull, swimsuit, two-tone_hair, tyakomis, water