Quick Transmigration: I'm Just a Background Character in the Fairy Tale World

Looking for Stories Where the Protagonist Is Completely an Extra!!!

The heroine ends up inside a book and lives an ordinary life, keeping her distance from the main characters. No following some villainess plot or getting involved with a yandere or anything like that. I want to see a normal life!!

Looking for Stories Where the Female Lead Transmigrates Into a Fairy-Tale World, Like Transmigrating Into Cinderella's Sister

I'm looking for books similar to "I'm the Villainess, So Why Does He Want to Woo Me?" I want something like "Surprise! I've Transmigrated into Cinderella's Sister," from chapters 1560 to 1591 of "I'm the Villainess, So Why Does He Always Want to Woo Me?"

Looking for Stories About Transmigrating Into Fairy Tales, Like Becoming Cinderella's Stepmother

The protagonist transmigrates into the stepmother of Cinderella or Snow White, and their mission is to help the prince and princess live happily ever after, that sort of thing. There's also a transmigrator into a book who becomes the villainous male lead and opposes the heroine, but they eventually get together. Then they return to their own world and start dating there, too.

Seeking Quick Transmigration Stories With Fairy-Tale Worlds

Quick Transmigration Stories Based on Western Fairy Tales