21st century Goguryeo - Chapter 558 - 8 Season 2 Book 22 Battle of Life or Death-4-1 Iron Mace

As monstrous invaders ravage the world, Ryzen Kael— a man shattered by a tragedy ten years ago— faces his final moments. But just as death closes in, a mysterious system awakens within him, offering a path beyond his limits.Now, with nothing left to lose, he steps into a dangerous journey of survival and power, defying fate and unlocking abilities beyond imagination. Follow his rise as he challenges destiny itself, carving his name into history!Author's other storiesThe Unrivaled Holder: Rise of the Dragon Monarch - 3rd Season Ongoing

I originally thought this was a world like an ordinary urban novel…Drawing comics by myself, traveling is pretty good.
But tell me, what happened to this magician called “Emiya Kiritsugu” who jumped on my face?
Who changed the settings?
Currently involved in the content of “F/Z”, “F/SN”, “Fantasy Carnival”, “The Emiya’s Meal”, “The Holy Grail of the Imperial Capital”, “FLA”, “Elmello II Event Book”, “FGO”, “FE”, etc.
Others related to “JOJO’s Bizarre Adventure”, “Rebellious Lelouch”, “Persona 5”, “Attack on Giant”, “Death”
“FGO”, “FE Series”, “FA”, “FSF”, “Cangyin”, “Magical Girl Illya” will be involved next…

- Description from novelbuddy

Song Xingcheng found out that he was the cannon fodder for a novel…
The horror is, this is actually a post-apocalyptic novel?!
He relied on the rent of the two buildings to live a happy and free life, and his favorite grilled chicken…

But all of them will be gone!
Fortunately, the golden finger fell from the sky, and he became the lord of the city.

Since then, anywhere he had waved his hand had many houses, vast farmland, roaring factories, and rising technology…
Song Xingcheng not only once again lived a beautiful life of collecting rent and receiving soft hands but he also grabbed a man who can cook chicken!

***

He Qianshan: My skill of making grilled chicken is inherited from my ancestors, come to my bowl soon ~

- Description from Novelupdates