Spell Return Is Born from the Starting Point

The boy who was rejected by [the world] is a fragment that should not exist in his memory. What kind of world is this? If everyone walks to the end of the world, all kinds of doubts will be answered from the very beginning. "My name is Cheng Inujuan. I was originally an ordinary high school student who accidentally traveled to the world of magic and became the most likely person to be the next head of the Inujuan family. Since I have been given the opportunity, I will not let all those tragedies happen. Hey? How can this be related to Is it completely different? What about the Dragon Tiger Mountain, what about the Chinese army, what the hell is this? Is this the same magic war that I know? And why is the plot completely messed up? "