After rebirth, I want both the kids and my husband

Selena, a werewolf hiding in human society, entered a contractual marriage with Arthur, a powerful tycoon. After giving birth to twins alone in a hospital, her children were stolen by Bella, a patient in the same ward. Selena died at the hands of hunters while searching for them. For forty years after her death, she watched Bella take her name, her family, and her life.