3girls, alternate_costume, ass, asuna_(blue_archive), asymmetrical_bangs, back, barefoot, beach, beach_volleyball, bikini, black_bikini, black_hair, blonde_hair, blue_archive, breasts, casual_one-piece_swimsuit, dark_skin, feet, halo, karin_(blue_archive), kneeling, large_breasts, long_hair, looking_at_viewer, looking_back, median_furrow, momoi_(blue_archive), multiple_girls, ocean, one-piece_swimsuit, outdoors, sideboob, soles, sweat, swimsuit, thighs, tiptoes, volleyball, wakari