While exploring a city of a different dimension, Princess Luna discovers a little girl using her namesake. Though she appreciates those who love the night dearly, the child's villainous personality has Luna taking a dislike to her.

After stripping the first grader of her advanced technology, Luna sits down to have a talk with her. In doing so, she finds some interesting things about both "Luna Girl" and one of her adversaries.

Proudly the first PJ Masks crossover on FimFiction!