I Seduced the Male Lead's Mother (GL)

I was reincarnated as the mother of the female lead, deposed by Queen Leriana Ashford — who died at the beginning of the novel. I was led to such a terrible fate by an affair with the crown prince, because of which I became a queen and lost everything. However, now I intend to change my unhappy fate! So, I decided to seduce the male lead’s mother, the damned Duchess Rachel Cassius.