Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 6 Chapter 4

An unexpected journey took a group of university students into a secret room from which, upon returning, they began to disappear one by one. In order to unravel the mystery, they joined forces, traversing heaven and earth, diving deep into seas, crossing the farthest corners of the world, and even daring to time travel, only to find that behind each puzzle lay yet another.

【The first emperor of the Alabasta Empire, Ryan Rowan】Life

685 – crossing;

690 – Eat the Shasha fruit and develop the fruit ability based on the [Desert Emperor] Azir;

695 – Meets close friend Neferutari;

715 – Establishment of the Alabasta Empire;

719 – Rowan died in battle, on the eve of the establishment of the World Government;

720 – the establishment of the world government;

A blank hundred years begin.

…

Eight hundred years later.

Haiyuan Calendar 1507——

Due to the aftermath of the battle of Crocodile, who was the shasha fruit power user at the time, Rowan, who was sleeping, woke up.

…

On that day, one million imperial soldiers stood in Marin Van Doo, and the huge desert disc locked the Holy Land Mary Joa!

Rowan declared to the world:

Your emperor is back!

- Description from novelbuddy

“I’ll see you on the other side of the stars,” she whispered before breathing her last.

** A Light Novel featuring a weak protagonist tasked with the impossible mission of saving a Virtual Reality world that has moved on without him. This post-apocalyptic sci-fi is brimming with drama, conspiracies, and action. **As the Santa María spaceship travels the galaxy in search of a new home for humanity, all passengers must remain in cryosleep and log into The Novus, a Virtual Reality MMORPG designed to train the younger generation in building a civilized society.Not only is this place a utopia, but it’s also a fresh start for seventeen-year-olds Alan and Astrid, who have just started dating.“Life in The Novus will be awesome with you by my side!”But an emergency pulls Alan out of the system—a catastrophe that endangers the lives of the Santa María's population and their mission.What will he find when he returns?Three years have passed. Astrid has become one of the strongest warriors, and Alan... is now the weakest User in the virtual world.