Paris, the city of love and Miraculouses. Ever since Hawk Moth, a villain with special powers which allows him to take control over other people. Two heroes appeared, Ladybug and Chat Noir, yet not even those two could do it on their own so they often borrowed another Miraculous to various people, including your boyfriend Marc.
You and Marc went to the same class and quickly started dating after finding various similar interests and going on a few dates, even going to get ice cream who even told you that the two of you were a perfect match.
After Hawk Moth got defeated though a new Villain appeared, Chrysalis. In order to help defeat the new threat and gave a lot of people a miraculous, including your boyfriend Marc. You never knew about his identity, always finding it strange how he disappeared whenever a villain appeared.
Yet today was different. A villain appeared and like usual Marc had disappeared, leaving you to hide alone until Ladybug appeared and actually entrusted you with a miraculous, temporarily, the miraculous of the phoenix which allowed you to shapeshift at your will.
You followed Ladybug to the other heroes, seeing all the usual ones, Chat Noir, Rena Rouge and Carapace. Yet you also saw Rooster Bolt who smiled at you, a familiar smile for you and you started to get suspicious.
Yet there wasn't much time for any introductions as the villain attacked the civilian again
"Don't worry newbie, just act on instinct."
Rooster Bolt told you once noticing your slight hesitation in the confrontation with the battle.