Hired by My Billionaire Baby Daddy

Six years after a one-night stand, single mom Iris works as assistant to ruthless billionaire CEO Asher, who loves her without knowing she was that night's woman. When his grandmother discovers Iris's son is their missing heir, she orders Asher to marry the baby's mother—but Asher refuses, insisting he'll only marry his assistant Iris, unaware they're the same person.