watari-kun no xx ga houkai sunzen, absurdres, artist request, highres, armpits, beach, bikini, blue eyes, blue sky, breasts, day, foot out of frame, halterneck, horizon, inflatable dolphin, inflatable toy, legs, ocean, open mouth, outdoors, pink hair, polka dot, polka dot bikini, polka dot swimsuit, purple bikini, sand, sandals, sky, small breasts, sunglasses, swimsuit, toes, umezawa makina, water