Filthy Blood: Fifty Years Apocalypse

LR-91 woke up from hibernation and found that he had lost all his memory. A female voice tells him that LR-91 is his only codename and that all data about his past has been lost. "Who am I?" [You are LR-91, you only have this code name, the rest are just meaningless names] "What should I do?" [You have to complete the training and rebuild human civilization] "Where do I go when I'm done training?" [Go to the outside world and face alien species] In this world, the only one you can rely on is me