1girl, black_hair, black_one-piece_swimsuit, blue_sky, breasts, buruma, cleavage, cloud, competition_school_swimsuit, crossed_arms, day, feet_out_of_frame, gym_uniform, hair_ribbon, isokaze_(kancolle), kantai_collection, long_hair, looking_at_viewer, medium_breasts, one-piece_swimsuit, outdoors, pool, poolside, red_buruma, red_eyes, ribbon, school_swimsuit, sky, solo, starting_block, swimsuit, swimsuit_under_clothes, takafumi, tress_ribbon