1girl, aoba_(kancolle), aqua_eyes, ass, back, bikini, blush, breasts, from_behind, hair_between_eyes, hair_ornament, hair_scrunchie, halterneck, kantai_collection, kuromayu, large_breasts, looking_at_viewer, looking_back, parted_lips, pink_hair, ponytail, pool, pool_ladder, scrunchie, side-tie_bikini_bottom, sideboob, simple_background, solo, string_bikini, swimsuit, white_background, white_bikini, yellow_bikini