eichikei (hakuto), original, bad source, 1boy, 1girl, animal ears, barefoot, blue hair, blue male swimwear, blue one-piece swimsuit, blue swim trunks, cat ears, cat girl, cat tail, feet, foreshortening, giant, giantess, height difference, holding, holding swim ring, innertube, long legs, male swimwear, mini person, miniboy, mouse boy, mouse ears, mouse tail, one-piece swimsuit, school swimsuit, sitting, size difference, soaking feet, soles, solo focus, swim ring, swim trunks, swimsuit, tail, toes, water