Ichiban Ushiro no Daimaou - Volume 11, Chapter 1 — Gather, Emperors!

Ruins stretched across the landscape in the apocalypse after the nuclear war.

An RPG gamer who played the realistic VRMMORPG ‘The Amber Sword’ for years, finds himself teleported to a parallel world that resembled the game greatly. He takes on the body of an NPC who was fated to die, and with the feelings of the dying NPC and his own heartrending events in the game, he sets out to change the fate of a kingdom that was doomed to tragedy.

In 2076, technology did not bring a better life to people, but instead became a tool used by the rulers to exploit.Arthur traveled to such a cyberpunk world and accidentally obtained the check-in system.You can get a variety of technological knowledge just by signing in.Before he could do anything, he unexpectedly discovered that the original owner was already married and even had an older son.Arthur: “The freedom of marriage is sacred and inviolable. That's not my wife.”Why are you saying that my wife is Gloria and I have an older son named David?Arthur: “How can a human being abandon his family and his son? Just go with peace of mind as the original owner. After your death, your wife will be taken care of by me, so don't worry about it.”

I want Hollywood to be the Hollywood I want – Lancelot Strelow
His life was full of ups and downs, rebellious, and brilliant. No one can deny his excellence. With hundreds of millions of box office in his left hand and countless trophies in his right, even the most critical film critics have to lower their heads, let alone It is said that countless movie fans all over the world worship him, leaving an indelible mark in this era.
But, he is a bastard.
He is a complete jerk, he relies on Hollywood to become famous, but he is a rebel in Hollywood, his disgusting personality makes him the public enemy of the entire Hollywood, he unscrupulously impacts everyone’s bottom line, and he stimulates everyone unrestrainedly With his nerves, he lightly challenged everyone’s authority, and his unrestrained talent was like a nightmare from which he would never wake up. However, no one could refuse him.
You can only avoid falling in love with him if you completely loathe him – The New York Times

- Description from novelbuddy