My Reincarnation in an Otome Game as the Main Villainess. Volume 2

Have I really been reincarnated as the villainess Katarina from the otome game I played in my past life?! But in all endings, she is either killed or exiled from the country! As soon as I somehow manage to get rid of all the bad endings, my studies at the magic academy begin. And that means Maria—the main heroine of the game—will soon appear...