To The Stars (Book 1)

Sayge Cornelious has lived in Montana all her life. But one day, her family instantaneously decides to move to Glen Falls, NY. There, she discovers that she has an alter ego-Stella. With the help of Korey (another alter ego, and her crush but she doesn't know it), she defeats Shadow-almost. Shadow flees to San Fransisco.
Based off of Miraculous Ladybug. <3