Dai, the Demon Emperor's eminent defeat at the hands of a rising new hero causes him to reincarnate into a futuristic reality where Humans are the dominant species. About 150 years later, he wakes up again in his old-body with his essence veins crippled beyond repair and an accompanying AI.

...

Just to be up-front, this story will not be dropped or anything until Volume 1 is done. Volume 1 is going to have about 30 chapters. After Volume 1, if there's a good demand(and I like how it's turned out) I'll continue the story.