How I died early than expected

Just your average student who wants to be reincarnated but died and transferred earlier than expected
His on his way to make the ideal soldiers and take over the world...
A world where demon lords live, Kings and Queens, and other species like elves and beast kin lies, A world of swords and magics where the strong survives.
He is willing to go on a path of being a ruler of the world, a world of FANTASY