[No brainer, the heroine is innocent, the male is pure, the relationship is foster father and son, in fact they are uncle and nephew, don't enter if you don't like it.
Su Yu unfortunately passed away after rescuing a child. She traveled back in time to a novel she read during her lifetime, and became the stepmother/aunt of the male protagonist Li Yuan. She was also bound to a vicious female supporting system to force the story to follow.
In the process of getting along, the nominal husband Li Jue gradually fell in love with this "arrogant" girl.
