I Have Medicine - Chapter 486 - Cave of Evil Deeds

A great demon king who came from another world to conquer Earth. To save the Earth, Li Luyou could only first take care of this great demon king… a little girl proclaiming herself Her Imperial Princess.

- Description from Novelupdates

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

There are 7 dimensions controlled by a Universal Government. Each dimension is governed by its own unique universal laws. There are a few things they have in common, there is always 1 the strongest and 1 the smartest. Except for the Universal Government, it’s forbidden to travel between dimensions. Interdimensional gates don’t close on their own and if left open, creatures that dwell in the darkness between the worlds will find their way through. Without warning, one of the dimensions disappeared without a trace. The remaining 6 in panic did all they could to find the reason why. They never found an answer. 12 years after the dimension vanished, a signal started appearing in the empty universe. Perhaps the answer is in that signal.Tsugi No Level

Necromancer】, Originating from ancient Europe, these mysterious wizards were often male, knowing how to summon and enslave the souls of the deceased to create undead creatures. Usually, those who practiced this craft had frail bodies, pale complexions, and twisted psyches, shunning and distrusting others. Some, who mastered the art, could even trade their flesh for an immortal Lich’s life. But can someone tell me how to practice the art of necromancy in the 21st century? In a law-abiding society, I can’t even get a skeleton! Misumi Mikoto: Doctor Chen, come quickly and help me examine this body; I can’t find the cause of death! Jounouchi Hiromi: Doctor Chen, come check on this patient first; what exactly is wrong with him?