I like that the other soul is still in there, she didn’t took total control over the body and she even acts like the real one, is not like she is pretending to be her by knowing her personality in the book, i wonder if at some point they would communicate
Once upon a time, Lalisa Blick was abused by her family, who wanted to take her diamond tears for themselves. Then one day, a prince appeared to save Lalisa and ride off into the sunset with her. But why was I reborn into this fairy tale as the evil sister, Marcia?! I need to leave this wretched house... but how can I leave my poor sister here in this hell hole? Instead of waiting for the prince to come, I can just bring Lalisa to him. This way, both of us can live happily ever after, right?