count zero, yotsuba (sister princess), sister princess, 00s, 1girl, anus, arms up, bdsm, bondage, bottomless, bound, bound legs, bound wrists, breasts, breasts out, brown eyes, brown hair, censored, collar, corset, cuffs, dildo, fang, female focus, hair ornament, hair ribbon, indoors, looking at viewer, mosaic censoring, navel, nipples, no panties, object insertion, open mouth, pussy, ribbon, rope, sex toy, short hair, short twintails, sitting, smile, solo, spread legs, thighhighs, twintails, vaginal, vaginal object insertion, vibrator, wrist cuffs