gibun (sozoshu), original, absurdres, bad id, bad pixiv id, commentary request, highres, revision, 1girl, @ @, ass, bob cut, bound, box, breasts, brown hair, buruma, cardboard box, from behind, gym shirt, gym storeroom, gym uniform, hairband, humiliation, indoors, large breasts, pink buruma, purple eyes, recording, red hairband, restrained, shirt, short hair, solo, standing, thighs, vaulting horse, white shirt