okiyumi kase, nikaidou reika (aigan reijou), aigan reijou, delta (company), game cg, 1girl, arms behind back, ass, bdsm, black gloves, blonde hair, blue eyes, blush, bondage, bound, bound wrists, breasts, female focus, gloves, hair ornament, hair ribbon, harness, indoors, long hair, nipples, one eye closed, open mouth, ribbon, solo, tape, tape bondage, teeth, top-down bottom-up, twintails, wince, wrists tied together