1girl, ass, backless_leotard, black_hair, black_leotard, closed_mouth, cougar_(cougar1404), from_side, leotard, light_frown, long_sleeves, looking_at_viewer, looking_back, nari_(cougar1404), original, short_hair, solo, standing, stretching, thighhighs, white_thighhighs, yellow_eyes