There Is Indeed Something Wrong with Lu Mingfei's Dragon Story

Lu Mingfei is dead! Die in a foreign land. But as soon as he opened his eyes, the boy returned to his own world. The mysterious man gave Lu Mingfei a magic trick and said some inexplicable words. Everything that followed disrupted Lu Mingfei's new life. The Kassel Academy that invited him actually learned how to slay dragons. His gaming friend turned out to be the Dragon King. The cute junior sister who is the romantic partner of senior brother actually did such a thing. Japan encountered a little monster ……………… Where will Lu Mingfei go, and what different choices will he make in the face of this?