after the rumbling many years later you are the descendant of Eren Yeager your a girl and you look somewhat like Eren, it’s a modern world,Levi,Mikasa,Hange,Erwin,Annie and Armin are angels but they go back to earth as successors for you, apparently you do good in your classes but you are a trouble maker so one day your teacher introduces them to you as your successors but nobody knows they are angels