West-East Continent Change

I slowly started to have memories in a foreign country, but I am the sole heir to the throne of the entire country. I have lived here since I was a child, but I cannot learn their wonderful magic because I am not a real resident of this land... In fact, is it really impossible to learn? Of course not! He needs an opportunity! He! It is the choice of heaven! No matter how bumpy his road is, he still has to follow his own path and realize his grand goal - to eliminate the demons that invade foreign countries, return to his native place, and realize the unification of all countries. But this... Is this his ultimate goal? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.