gayarou, amano mishio, minase nayuki, tsukimiya ayu, kanon, 3girls, :d, ^ ^, arms behind back, ass, ball, beachball, bikini, blonde hair, blue eyes, blue hair, blush, closed eyes, cloud, flat chest, green eyes, hair intakes, hair ribbon, innertube, light rays, long hair, looking back, multiple girls, one-piece swimsuit, open mouth, orange hair, outdoors, ponytail, ribbon, shading eyes, short hair, sky, smile, sports bikini, standing, sunbeam, sunlight, swim ring, swimsuit, twintails, very long hair