1girl, animal_ears, ass, ball, blue_sky, cat_ears, cat_tail, cloud, exercise_ball, from_behind, green_eyes, light_brown_hair, looking_at_viewer, looking_back, old_school_swimsuit, one-piece_swimsuit, original, school_swimsuit, shibacha, short_hair, sky, solo, swimsuit, tail, white_one-piece_swimsuit