2girls, areola slip, bangs, bikini, bird, black hair, blunt bangs, blush, breasts, brown eyes, brown hair, chitanda eru, cleavage, cloud, covered nipples, day, hyouka, ibara mayaka, innertube, large breasts, long hair, looking at viewer, medium breasts, multiple girls, navel, nishiyama maruta, ocean, outdoors, paid reward available, pubic hair, purple eyes, seagull, short hair, sky, smile, swimsuit, very long hair, water, white bikini