A long waited for the fourth hero. The Dragon-Phoenix will take Vengeance against all who challenge her by cosmic fire. From Book 1: Miraculous Sapphire

You are Marinette's younger sister, kind, caring and mostly shy around people. You love anime and really good at drawing. You wanted to share your idea's with your sister...that is until she just started to get competitive. She's becoming more immature and started to fan-girling her favorite model; Adrien Agreste. You were starting to feel heartbroken without her. Being alone was sad until Adrien's brother Vanitas made you feel like...an amazing feeling you never felt before. What is this feeling? Miraculous Book: 1