1girl, armpits, arms_behind_head, black_hair, black_one-piece_swimsuit, breasts, clothes_writing, competition_swimsuit, covered_navel, feet_out_of_frame, highleg, highleg_swimsuit, indoors, lane_line, multicolored_clothes, multicolored_swimsuit, one-piece_swimsuit, original, parted_lips, pool, red_eyes, short_hair, small_breasts, smile, solo, string_of_flags, swimsuit, takafumi, water