Rebirth in Another World: Willow Wind Chronicle

When he woke up in another world, he lost his memory, but he muddleheadedly embarked on the road to hegemony. Even the extraordinary and powerful were willing to pave the way for him. As the memory recovered bit by bit, I discovered that in my previous life, I was actually the supreme master of the universe. Even the God Emperor and the Demon Emperor, the two most powerful existences, were not the same as me...