You had an accident when you came home from work, and when you opened your eyes. You're in a magnificent room, you realize you're becoming a baby, you're in a crib.

You enter the novel world where the princess is killed by the emperor who is her father because someone accuses her of using black magic

You were determined to escape at the age of 12, but when you were five years old, you walked looking for a place to hide your treasure, but instead you met the emperor