Married woman slave mine

Misa is a wife who devotedly supports Shoji, the husband who runs a factory and a company. One night, when she believed that life would be rich and happiness would last forever, her husband suddenly disappears. Misa desperately searches for her husband and discovers several notes in the remaining notebook. "The demonstration occurs! Immediately to the mine." Then Misa arrives at a mine on the southernmost island of Japan, where she is forced to work by workers who are dissatisfied with her husband's management, and her elegant body is violated by her hands covered in mud sweat...