2037. Nakano, Tokyo. Pollon Takaoka and his best friend Cross Yumikawa make a living as a pro hackers wherever they can—wherever hasn't been affected by the "Sad Morning" disaster that occurred February 6th, 2036.
One day, Pollon declares he is going to "elope," despite the fact that he is single. However, he meets a mysterious girl called Momo in a place no one is supposed to be...
Suddenly, mysterious assailants appear and chase after Momo.
During the escape, Pollon receives the "Save & Load" app which allows him to save data and start over just like a video game. Little does he realize this is only the beginning...
The mysterious, genius hacker "Cicada 3301" who organizes a series of "Quests" that seem impossible to solve. The "Gai Institution" that reactivated the earth simulation which was supposed to be frozen. The agents of Vatican's "Holy Office 513," working behind the scenes...
Pollon is thrown into numerous plots as a result of his encounter with Momo, and faces a major event that shakes the world.
What truth awaits you when you use hacking, saving, and loading?
Hack the myriad branches of reality and "load" the ending that saves the world!
This is the story of the hackers who will rewrite the future.