Ayaka's father was a wealthy man, but he passed away and now lives with his mother, Mitsuko. Ayaka has a fiancé named Kazuma, who was in heavy debt. Kazuma became more interested in the property than Ayaka, no, Mitsuko who manages the property ... Kazuma had a strong habit of abusiveness, but he hid it. At that time, Kazuma couldn't stand the strong reminder of creditor Sagawa and talked about his intentions. Then the two beasts struck a chord with the best-tasting mother-daughter bowl of immorality.