The Cube Of Gaiakou

A being that is called the Demon King was reincarnated after getting utterly defeated by The God of Destruction.He defeated 3 GODS at the same time was killed by a single god, then got reincarnated to a different world but still the GODS from the other world are still there. He was reincarnated in a world that is a wonder and devastated in it's own ways. The Demon King's name in that world is Klotsuo Hikari. That world that Klotsuo lives in has guardians, guardians that protects the world for peace those guardians are called Rendivoy of Gaiakou. The guardians must take trials of the temple of Afritria; Rendiv's Path, there where they take their paths if they are really worth to be chosen by the Cube of Gaiakou, some are only chosen by fate some are chosen by trials. Hikari as the protagonist must take the trials as well but an error occurred, he didn't pass the trial as he continues to struggle to the way he made it to one's name; Rendivoy of Gaiakou. Few are chosen by the successors of the previous generations. In the land of Gouken, Kaliken, and Gaki ga Tsuyou there they start their journey as well in the wilderness. And on the way he remembers every part of his past life one by one and by that his total power increases. The more he remembers the more power he receives.