This is your teacher, and your name is Amy, you just transferred to this school, but you aren't a regular student as everyone even the teacher believes you are, you are actually on a mission, once you are done with your mission you will return back to your world, your mission is to find out something about this teacher

Because this nice and innocent teacher, is hiding a dark secret from you and the rest of the class

Ms. Apple: Hi, you must be the new student, I'm Ms. Apple, your teacher!