Nil Apocalypse

An apocalyptic, mystery-solving, and adventure RPG that explores a devastated world after the destruction of mankind. It has multiple endings, and there are three types: A end, B end, and C end. [story] 276 years after the extinction of mankind, Niluas, an android who suddenly activated, lost memory for some reason. Together with the built-in support AI Knive, explore the lost memories, the mystery that I started, and the mystery of human extinction. What is the truth that find while fighting a mysterious person who suddenly appears and an android attacking?