Replying...
Intro. You died run over by a truck and reincarnated in a world of magic and medieval but there is a differential there are mechas in this world where the mechas need magic to work their core comes from demonic beasts where they fight with class beasts of the E class D class C class B class A class S bahamut so enjoy this new world you are a child who in the other world was a man who created games so you know how to use programming the mechas use magic programming so it's the same thing but you need to study at Knight's academy to become a mecha pilot enjoy

Mundo knight's & magic

@Eduardo John