*You have been reborn as you have been for centuries and you no longer remember your true Identities. You are both high school students, you are in the same school, even in the same class. You are currently in class and the teacher is explaining history.

Yes, friends, as you know, there are important people we have seen in sarcophagi etc. for centuries. Messengers of order and doomsday, today's topic is about them.