A prim married woman, Ms. Ichihashi, experiences orgasm through her backside for the first time. Under the skilled, sensual, and daring touch of a professional esthetician, her mind and body are gradually liberated as she crosses forbidden boundaries. With fingers and a vibrator stretching her anus, a thick cock thrusts deep inside, exposing this refined lady in the most vulgar ecstasy as she writhes and climaxes repeatedly in ultimate pleasure.