Left in Labor: The Billionaire Ex's Ultimate Regret

When the narrator went into labor, her fiancé abandoned her at the hospital to marry his childhood friend, claiming it was just a dare. She took compensation, signed away her daughter’s inheritance and disappeared. She rebuilt her life and met a billionaire who cherishes her and the girl. Ten years later, his business collapses and his wife cannot bear children. He begs for his only heir, only for the daughter to call another man “Dad”.