1girl, ahoge, black_choker, breasts, camisole, choker, collarbone, hair_over_one_eye, long_hair, looking_at_viewer, lying, midriff, naoillus, navel, on_back, original, parted_lips, pillow, pink_camisole, pink_shorts, rinni_(naoillus), shorts, small_breasts, solo, teeth, thighs