[Light Novel] Your Masakazu conquered by the third son of the Duke (1 book)

Publisher: KADOKAWA/Enterbrain
Author: Delusion, vacuum
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Light novel
Latest release date: 2023-10-30

Synopsis:
A dark fantasy that becomes the strongest with overwhelming power.

"-If there is the next, you will definitely make a mistake."
In a disappearing consciousness, he died while crying as if he was cursing the world ...
It was supposed to be, but when he woke up, he was reincarnated by Arnold Dunkerno, the third son of the Duke.
Arnold, who is confused by the sudden thing, but does not want to live a miserable life in this world, gets armed forces that no one will be invaded and will not succumb.
I swear to become a successor to the Duke ...