shinneko, emerada (xenogears), maria balthasar, seibzehn, xeno (series), xenogears, bad id, bad pixiv id, 2girls, beach, bikini, bow, building sand sculpture, cloud, dark-skinned female, dark skin, day, drill hair, front-tie top, goggles, green bikini, green eyes, green hair, hair bow, innertube, long hair, multiple girls, ocean, outdoors, purple bikini, ribbon, sand sculpture, swim ring, swimsuit, yellow bow, yellow eyes