There is no system, no grandfather, only the memory of a mechanical engineer who loves technology. My name is Leon, and I am an earthling who was sent to a world full of magic by a truck and became the third prince of the Holy Empire. However, because I have no magic talent, I was sent to the legendary deserted sinful land by the emperor. I originally thought it was over. It wasn't until the moment I arrived at the Sinful Territory that I realized that the era that belongs to me and to us has come...
