Having His Baby Becoming His Darling

Kiss cures billionaire's allergy; mother returns with secret child.

Julia escapes a predator by kissing Stephen, a billionaire whose body rejects every woman — except her. Their single night leaves her pregnant, but she disappears before he wakes. Years later she reappears with their son, still unaware Stephen has exhausted every resource tracking the only person his immune system accepts and the heir she carries.

• romance
• drama
• secret baby

1. Julia kisses Stephen to escape a buyer
2. Stephen is allergic to all women but Julia
3. Julia returns years later with their son

Readers who want a secret-child reunion driven by a unique medical twist will find this premise sharp.