1girl, d, alternate_costume, arona_(blue_archive), bare_arms, bare_shoulders, bikini, black_bikini, blue_archive, blue_eyes, blue_hair, blue_sky, blush, braid, breasts, cloud, collarbone, day, frilled_bikini, frills, fubuki_rinne, hair_over_one_eye, hairband, halo, hands_up, looking_at_viewer, multicolored_hair, navel, ocean, open_mouth, outdoors, short_hair, sky, small_breasts, smile, solo, standing, swimsuit, wading, water