3girls, blue_hair, braid, brown_background, closed_eyes, dark_blue_hair, ensemble_girls!, facing_another, hisayoshi_(hisa), hotta_saaya, kimisaki_school_uniform, long_hair, mizushima_ushio, multiple_girls, one-piece_swimsuit, plaid, plaid_skirt, ponytail, red_hair, school_swimsuit, school_uniform, skirt, smile, swimsuit, white_one-piece_swimsuit