yamamoto canponi, original, 2girls, armpits, bikini, blue hair, blush, brown hair, cloud, day, fisheye, flat chest, innertube, long hair, looking at viewer, multiple girls, navel, one-piece swimsuit, one-piece tan, open mouth, outstretched arms, red eyes, ribs, school swimsuit, skinny, sky, spread arms, swim ring, swimsuit, tan, tanline, wading, wet, white bikini, white one-piece swimsuit, white school swimsuit