Nier Automata: Journeys in the 11th Millennium

Alan had no idea how he got there, all he knows is that he is in the distant future of the year 11945 and the world is caught in a war between alien machines and androids, and the surviving humans live on the moon, very of human knowledge and culture has been lost, so while he survives Alan decided to share his knowledge of the past as he travels the world, to do this he will count