2girls, d, alternate_costume, arona_(blue_archive), bikini, black_bikini, black_hairband, blue_archive, blue_hair, bow, bow_hairband, breasts, colored_inner_hair, covered_navel, hair_over_one_eye, hairband, halo, highleg, highleg_swimsuit, long_hair, looking_at_viewer, multicolored_hair, multiple_girls, navel, neckerchief, one-piece_swimsuit, outdoors, pink_hair, plana_(blue_archive), saebashi, sailor_collar, skindentation, sky, small_breasts, smile, stomach, swimsuit, thigh_strap, thighs, very_long_hair, water, white_bow, white_hair, white_hairband, white_neckerchief, white_one-piece_swimsuit, white_sailor_collar