1girl, ass, black_hair, black_thighhighs, blue_one-piece_swimsuit, breasts, competition_school_swimsuit, feet_out_of_frame, from_behind, long_hair, looking_at_viewer, looking_back, lying, medium_breasts, on_side, one-piece_swimsuit, original, purple_eyes, school_swimsuit, shadow, simple_background, solo, swimsuit, thighhighs, white_background, yukemuriganmo