Satomi, who was taken under the control of her homeroom teacher, Sawada, during her school days, and continued to receive sexual training after school ever since. Ten years after graduation, she was living a happy married life as a young wife, but one day she was stopped by Sawada, who she happened to pass by, and forcibly taken home. From then on, a persistent SM training like a snake begins... Satomi, who was tormented by disgust and guilt, moans in ecstasy at the pleasure of the masochistic bitch she had forgotten, and falls into a double life of her husband's intense sex and a commuting masochist.
