3Yu-Gi-Oh ZEXAL Isekai Not Alone Following the story of an isekai protagonist that finds himself in the Yu-Gi-Oh ZEXAL. He finds himself facing off against numbers and discovers that he has a peculiar power. Tapping into the data storm? As he discovers his new powers he'll realize that he's not alone, in more ways than one, and that darkness is lurking in the shadows, with an unknown plot for domination.