Mika has been the mistress of a wealthy man for nearly five years. According to the taste of a man, he spends his days in SM play, but gradually his qualities as an M woman are about to bloom. At that time, I got acquainted with a man named Kato and became intimate. Kato skillfully grasps Mika's propensity, drowns in her outstanding sexual skills, and applies for marriage. Mika becomes ecstatic and draws a rosy dream in the future with Kato, and eventually gives all the savings and a large amount of debt to the man without any doubt even if he receives a consultation on money.