izumi sai, original, bad id, bad pixiv id, 1girl, bare shoulders, barefoot, bikini, blue eyes, blue hair, blue theme, bridge, cloud, day, female focus, goggles, goggles on head, grand scale, innertube, landscape, looking at viewer, matching hair/eyes, ocean, partially submerged, perspective, scenery, science fiction, short hair, sitting, sky, soaking feet, solo, swim ring, swimsuit, tower, water, wet, wet hair