MTL - Marvel: Start with God of Destruction - Chapter 4

The world is in an age of change between the old and the new society, and the collision of politics, economy, thought and culture is becoming more and more violent.

Moster Verak, a photographer from the slums of Zward City, was reborn two months ago, starting from impersonating the son of a consortium again, stirring everything and subverting the world in the turmoil of rapid industrial development and wild expansion of ambition.

[Overhead world, please do not compare reality]

- Description from novelbuddy

After being awakened from their slumber, billions of people found themselves dispersed in various sealed crypts. Surrounded by earth, they each had only a shovel.

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

Two heroes of the game Legend of Heroes 2 who were rotten waters*.