The heroine is a heartthrob (true heartthrob, clean, no female rivalry, whether it is family or love), you can think of each world in this book as an independent world because of the immersive plot.
First world
Mian Jin is the vicious concubine in the house fight novel, but she is loved and tolerated by everyone.
Second world
The vicious cousin in the novel about cultivating immortals was supposed to try her best to deal with the heroine, but in the end she was guarded tightly by the male protagonist and the second male protagonist, and she did not even meet the heroine.