I'm the hated daughter who became a stepmother. What does it mean that she's doting on me even though I'm supposed to be just a figurehead wife?

Anna is a noblewoman who remembers her past life as a Japanese person. She has had a miserable life, with neither her husband nor her children getting along. In her new world, her biological mother has died, and she continues to be abused by her biological father, stepmother, and half-sister. Her...