Future Mecha God of War

The starry sky shines, and mechas roam freely!
A former professional e-sports player inexplicably traveled to a future world. Before he could appreciate its elegance, he was forced by the pressure of life to return to his old career.
All the stories start from a game called "Mecha God of War", but is this really just a game?
Let's see how the protagonist reaches the top step by step in this future world...
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