MTL - Heavenly Divine Doctor: Abandoned Concubine - Chapter 2543 space

Devil clan gained the ground and human beings were at the great risk of being wiped out. At this critical moment, six temples led the human race to guard their last land. A young man joined Knight Temple in order to save his mother and he has to go through all those traps and miracles on this tough journey. In a world where human’s six temples fought against devil clan’s 72 devil pillars, would he finally make it to the sealed divine throne?

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

When you get to the other world, you acquire new properties, there is no limit for your achievements and you become an overlord…Welcome to my world…

- Description from Novelupdates

Enter Kazuya, a boy who never had any memories before his adolescent life. He was summoned to the world of Edea wherein the final battle against the Demon King, our hero entered the last room to find a welcome he had not been expecting. An unguarded, unarmed demon king who greeted him with manners and etiquette.As if a respectful and well mannered final boss wasn't shocking enough, he was then introduced into an elaborate plot to exploit summoned heroes. Unfortunately, our naive hero chose to trust his companions. He underestimated human greed which led him to suffer alone in darkness for a time he himself does not know how long.When he suddenly woke up, he saw himself as a child back on Earth. As an amnesiac, he had been thrown into an unknown part of his life. What should he do? What about the people who betrayed him?Follow along as Kazuya finds out about his past and tries to prevent the tragedies he's experienced while trying to change what he knows what will happen in his future.Volume Guide:I - From the Ashes. (Learning about his life before he lost his memories)II - Divergence. (Changing the future)III - The Two Heroes.IV - Edea and The HeroV - ???VI - ???VII - ???VIII - ???