In the year 2029, a phenomenon known as "the system" emerged, giving rise to awakeners. Along with the system, two additional things were introduced: Dungeons and Gates.
Ambrose Diaz had been living in this world for 416 years by that time. For the past seven years, he held the title of the number one-ranked awakener, but he has since retired. The last nine years have been smooth sailing, with everything going well… Until Ambrose's past finally catches up with him, forcing him to confront it in unexpected ways.