Write a story about a young girl who discovers she has the ability to control time, but soon realizes that her power comes with consequences she never anticipated

Write a story about a young girl who discovers she has the ability to control time, but soon realizes that her power comes with consequences she never anticipated. As she struggles to come to terms with her newfound power, she must navigate the delicate balance between using it for good and facing the repercussions of altering the natural flow of time.