moriya naoki, sawachika eri, school rumble, long image, tall image, 00s, 1girl, :d, arms behind back, artist name, bare shoulders, bikini, black bikini, blonde hair, blush, breasts, cleavage, collarbone, covered erect nipples, female focus, hair ribbon, hip focus, long hair, looking at viewer, navel, ocean, open mouth, outdoors, ribbon, shiny skin, smile, solo, standing, swimsuit, thigh gap, thighs, twintails, wading, water, watermark, yellow eyes