Butterfly Effect Elsewhere

AU: Chloé Bourgeois is a good person and friends with Marinette and Adrien, but because it's really someone else in her body who got a second chance at life. Events veer off in a different direction: new villains and plot twists, among other things. Insert & Isekai story; based on the plot bunny "Roar Like a Bear, Sting Like a Bee". NEW CHAPTER: "Drawn Into a Spiral" (Parts 1 & 2).