nurumayo rio (pixiv18242), nurumayu on, patchouli knowledge, touhou, ink (medium), bad id, bad pixiv id, traditional media, 1girl, bdsm, blunt bangs, bondage, bound, bow, breasts, collarbone, crescent, crescent hat ornament, female focus, greyscale, hair bow, hat, hat ornament, long hair, looking at viewer, medium breasts, monochrome, nipples, nude, rope, shibari, simple background, solo, upper body, very long hair, white background