Extra's Death: I Am the Son of Hades - Chapter 575: Inside The Site With Nothing To The Name (How Dumb Was My Previous Self? Very Dumb)

A fighting genius.

“Send me to the past.” That’s how the first step toward revenge began.

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.

What would happen, if one day fantasy collides with reality?

- Description from Novelupdates