This is a very interesting story, and I will try my best to provide some ideas and suggestions. First of all, you need to be clear about the background and setting of the story you want to tell. Was it in the modern world or the ancient world? Are the two girls referring to two different girls or are you trying to describe them as the same person? These details would affect the development of the story and plot design. Secondly, you can consider the relationship between the two girls. Friends, lovers, enemies, or even allies? These relationships would be handled differently according to the plot settings. Thirdly, you can try to add some dramatic elements such as contradictions, misunderstandings, betrayal, and so on. These elements could make the story more interesting and also help to portray the character's personality and characteristics. Lastly, if you want to make the story more realistic and close to life, you can try to find some inspiration and details in life, such as the two girls 'personalities, hobbies, family background, etc. This would make the story more realistic and vivid. I hope these suggestions can help you create an interesting story!