After Transmigrating into a Book, I Became the Stepmother of Three Villains

After Transmigrating into a Book, I Became the Stepmother of Three Villains Plot:

Lin Xiaoman, a corporate slave, stayed up all night reading a novel and woke up as the 'vicious stepmother' of a villainous family—her three stepsons are harder to deal with than one another: 18-year-old Shen Yan, a cold-faced powerful minister, sees her as an 'outsider grabbing the family fortune'; 15-year-old Shen Ci, a rebellious school bully, draws turtles on her dress with a marker; 7-year-old Shen Nian seems cute but secretly adds three times the salt to her porridge. To survive, Lin decides to 'use softness to overcome hardness': she stays up three nights when Shen Yan has a fever, rushes in with a pan to save Shen Ci from gangsters, and covers the room with star lights for Shen Nian who is afraid of the dark. Just as the three 'ice blocks' slowly let their guard down, Lin discovers—the truth about why the villains 'turned dark' in the original novel is actually related to her?