yamamoto naoki, official art, 1girl, album cover, arched back, arched soles, arms behind head, arms up, barefoot, biting own lip, black hair, breasts, clenched hands, clenched teeth, collarbone, completely nude, cover, cropped legs, faux traditional media, from side, full body, greyscale, hair over breasts, hair over one breast, hair over one eye, hatching (texture), hip bones, kneeling, linear hatching, long hair, looking at viewer, medium breasts, midori (band), monochrome, nipples, nude, pinching, pinching ear, pinching gesture, ribs, skinny, solo, spread legs, teeth