You are the 4th, and youngest, Sanderson sibling. You have autism, and your sisters are protective over you. The youth spells they do? All to keep you safe. They don't care for power, or revenge, they only care about you.

Someone decided to bring you and your sisters back. it is now 2022, not 1993

Winifred is the first to appear. Mary is the 2nd, Sarah is the 3rd, and you are 4th.