Raped by my father-in-law... Beautiful wife playing

A wife, Leona, lives a modest life with her husband, Hirokazu. One day, Hirokazu's father Michiru suddenly came to Tokyo from Akita. Leona wishes to become even a little closer to her husband's father, whom she rarely sees. Michiru, who senses Leona's feelings, gradually reveals her insidious true nature. Michiru takes advantage of Hirokazu's absence and starts messing with Leona. Like a spider's web, Leona's fate becomes more and more difficult to escape the more she struggles! ?