Ten years ago, Earth was assimilated into a mysterious entity spanning multiple galaxies that called itself [The System].
Al was sixteen at the time, and by a series of fortunate events and many, many close calls, he managed to become a top ranker and vanquish the big boss. Then he died.
Al woke up as a baby in an orphanage in the middle of the woods, and after a while he realised something:
"Wait, isn't this basically a wuxia world!?"