1girl, ahoge, bad_twitter_id, barefoot, black_one-piece_swimsuit, blue_sailor_collar, blue_skirt, caustics, closed_eyes, diving, hair_ornament, i-58_(kancolle), kantai_collection, kitsuneno_denpachi, neckerchief, one-piece_swimsuit, open_mouth, pink_hair, pleated_skirt, pool, sailor_collar, school_swimsuit, school_uniform, serafuku, short_hair, short_sleeves, skirt, solo, swimsuit, swimsuit_under_clothes, underwater