Citadel for All: The Only Unit Angel at the Start of the Game - Chapter 538

“If fate wants me to suffer, it should have picked someone else!” —Raven.Raven wakes up as the protagonist of his favorite novel. He knows the brutal storyline that makes grown men weep.The original protagonist endured it all, but Raven has no plans to play along.He has a system, but that broken thing has everything locked.He has knowledge of the plot, but no clue what twists the author hid beyond what he read.He has a choice to suffer like before or rewrite everything.The tragic twists? Fuck themThe heartbreaking losses? Skip themPointless sacrifices? Save themNo more misery for the sake of character growth.This time, he is writing his own legend and a story worth remembering!

Three years ago, in the land of Reinbulk, a Legendary Hero was summoned in the Kindom of Leezalion and he succeeded in repelling the Demon King. Now, five students are summoned back into Reinbulk by the Kingdom of Luxeria to fight against the Demon King and the demon army. Unlike the other heroes, Yashiro Yuu has no magical affinity and the Luxeria Kingdom has no intention on acknowledging his existence or returning him to his world.

This is a story of a modern man returning to ancient times, returning to a real world without any extraordinaryness, and slowly rising by relying on the ability to attribute all data.

- Description from novelbuddy

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.