THE BILLIONAIRE'S VENGEFUL WIFE RETURNS - Chapter 324: RETURNING HOME 2

After leaving earth in a pathetic way, Asher finds his soul in the body of a baron's bastard son.As the last surviving member of the Ashbournes, Asher must take up the mantle and build his territory or die in the jaws of a beast or the blades of hungry nobles greedy for his territory.Luckily, he did not enter this man-eat-man world without support.[Ding! Soulbinding successfully completed.][Would the host like to upgrade your bronze-ranked butler to a powerful silver-ranked swordsman? Yes or No.]

The journey to the martial peak is a lonely, solitary and long one. In the face of adversity, you must survive and remain unyielding. Only then can you break through and continue on your journey to become the strongest. High Heaven Pavilion tests its disciples in the harshest ways to prepare them for this journey. One day the lowly sweeper Kai Yang managed to obtain a black book, setting him on the road to the peak of the martials world.

- Description from novelupdates

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates

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.