hashimoto (sunehari0109), heus (nuntarou), hatsune miku, vocaloid, bad id, bad pixiv id, lowres, 1girl, aqua eyes, aqua hair, arm support, bare shoulders, barefoot, blush stickers, casual one-piece swimsuit, cloud, day, dutch angle, female focus, from behind, horizon, long hair, looking back, ocean, oekaki, one-piece swimsuit, shade, sitting, sky, solo, striped clothes, striped one-piece swimsuit, swimsuit, very long hair, wariza, water