The male protagonist falls in love with the female protagonist at first sight, and they end up together. The heroine went back to when she was five years old. Her choices were different when she tried it again, but the ending was still the same. The princess traveled from the 21st century. She never wanted to be a princess. She only wanted to be an emperor. She has been motivated and ambitious since she was born. In the end, they all got the ending they wanted.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.