My Cuckold Hubby. Saving My Daughter From BBC, #7

Kristal Sheridan has always been the perfect wife, mother, and university professor until a dangerous game with her daughter's dominant young boyfriend pulls her into a spiral of forbidden desire. What begins as a desperate attempt to protect her family quickly becomes an addiction she can't control. Now torn between her safe, predictable marriage and the intoxicating thrill of secret submission, Kristal finds herself risking everything: her reputation, her marriage, and her relationship with her daughter.
As guilt battles with overwhelming lust, Kristal must decide how far she's willing to fall. Because the man who now owns her body wants more than just stolen nights, he wants complete surrender. And he won't stop until he's claimed every last piece of her. A scorching tale of temptation, power exchange, and moral descent perfect for fans of dark, addictive forbidden romance.