Another World: Unification Starts with the Supreme Mage

[Different world + magic + domineering] Karl smiled evilly, since he asked me to come, I won't leave. Carl, who just bought a Ferrari sports car, accidentally traveled to a different world where humans were enslaved by monsters and were sacrificed to the monsters. The dangerous encounter did not dampen Carl's fighting spirit. He was determined to become the legendary Supreme Mage, unify the entire continent, and make the human race great again.