Spoiled by My Nine Stepkids

The female lead transmigrates into a novel, becoming the vicious stepmother, and binds a child-rearing system. To get youth, she must raise her nine stepchildren. She protects the bullied children, helping them solve troubles. Later, the male lead brings his first love home to drive her away, but the nine children protect her, competing to earn money to support her. When she completes the task and prepares to leave, the grown-up children insist on staying by her side.