During her time as a university student, Sayuki was inexplicably drawn to the elderly university professor Sawada and married him during her studies. For Sayuki, married life began with accepting her husband's perverted sexual preferences. Then, after several years, realizing a significant decline in his male function, Sawada came up with a new pleasure to implement. It was to have his wife, Sayuki, be with Sagawa, the assistant who was rumored to be extremely virile, almost as an order. Initially repulsed, Sayuki gradually became captivated by Sagawa's rough training and his enormous penis...
