kuroda kazuya, mizushima asa, sorayama natsume, sora no iro mizu no iro, duplicate, 00s, 2girls, armpits, arms behind back, arms up, barefoot, black hair, blue eyes, blush, breasts, brown hair, casual one-piece swimsuit, cleavage, competition school swimsuit, feet, hairdressing, hip focus, large breasts, long hair, lying, multiple girls, on back, one-piece swimsuit, red eyes, school swimsuit, shiny clothes, swimsuit, thigh gap, thighs, toes, wide hips