Randy Cunningham and (Y/n) (L/n): 9th Grade Ninja and Miraculous User

(A/n: I need help! How can I stop this random creative streak? I randomly came up with this idea after about a week of watching Randy Cunningham. The Miraculous is the bat, just like in another story, but the reader's background is different and I'll change up a few things of her Miraculous too.) "Who are you?" "The...