Mother-in-law rape ~Love and sex between me and my mother-in-law~

Masako (Seto), who married businessman Toru, was living a comfortable life. One day, her husband Toru suddenly collapses. Toru, who suffered from a heart condition, was forced to choose between work and married life, and he quickly chose work. Masako, who is exhausted from living with such a cruel husband and her stepchild Hideki, who doesn't get along well with her, makes one mistake. And Masako finds out about this from Hideki...Hideki's shadow sneaks up behind her.