1girl, amagami, arm support, ass, back, back cutout, bangs, bare arms, bare legs, barefoot, black one-piece swimsuit, blush, breasts, brown eyes, brown hair, clothing cutout, competition swimsuit, embarrassed, from side, gyuunyuu pack (tanaka), highleg, highleg swimsuit, leaning forward, legs, looking at viewer, looking back, medium hair, one-piece swimsuit, parted lips, raised eyebrows, shadow, shoulder blades, simple background, sitting, sketch, small breasts, soles, solo, spread legs, straight hair, sweatdrop, swimsuit, tanaka keiko, wariza, white background