The Rejected Alpha's Vengeance - Chapter 141: Descendants of The Red Sun

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

“You dragged me into this world. Now you kneel in it.” — Tim SlokovBy day, Tim Slokov was a quiet office drone. By night, a ruthless online critic of fantasy novels. But when a mysterious force transmigrates him into the dying body of an elven outcast—doomed and powerless—Tim realizes he’s become the tragic background character of someone else’s story.Only he refuses to die quietly.Denied justice, Tim is granted a single gift: the Shattered Necromancy System, a broken power fueled by death itself.[Seek Me, O Death — Passive]: Every kill becomes a servant. Every soul feeds his army.[Death Embrace — Active]: He becomes what he commands—gaining the power of his dead.[Arise — Active]: The battlefield becomes his stage, where his fallen rise again.Armed with cursed power, Tim must evolve himself—and his ever-growing legion of the dead—to claw his way up a world that wants him erased. But vengeance is only the beginning. As his strength grows, so does the truth behind his forced arrival... and the god-like force that wants him broken.Tim isn’t here to play the hero.He’s here to rewrite fate—one death at a time.

Three years ago, Yun Qing Yan fell into the Immortal Realm from the mortal realm. Three thousand years later, he became Divine Emperor Yun who shook the entire Immoral Realm. Breaking through the void and returning back to the mortal realm, Yun Qing Yan discovered that only three years’ time had passed here. “In the past, I did not possess the power to protect the people I hold dear. Now, I want the entire world to grovel at my feet.”

- Description from Novelupdates

The Special Investigations Unit is a covert organisation that no-one in the city knows about, dedicated to investigating bizarre occurrences beyond the comprehension of the living. The Chief Zhao Yunlan isn’t a simple guy either, being the inheritor of the Guardian Order, he has always been a righteous conformist, excelling between realms of the living and the dead. While investigating a school suicide case, Zhao is attracted to the calm and reserved Professor Shen Wei, but the Professor seems to be rather fickle towards him…

- Description from Novelupdates