Christine was a simple girl. Living a normal life until she woke up in the last web novel that she read. Elizabeth Rose was the villain of the story. She was jealous that her husband the crown prince was with another girl. She did everything she could to get the prince to fall in love with her. Can Christine change Elizabeth's fate.Probably if they were still in the story.
At some point they get brought into another world now as Elizabeth she had to navigate the new world and the princes affection.

Reincarnation and Isekai'd whats next