Chongfei Manual - Chapter 157

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

She was forced by her husband and his mistress to jump into the sea and commit suicide, only to be rescued and taken care of by the jerk's uncle for seven years.

You have no memories. You don’t know who you are or why you’re here. But none of that matters.You are one of a thousand chosen, thrown into the Pantheon’s Ordeal, a brutal trial created by the gods. The rules are simple: survive, grow stronger, and uncover the truth about yourself. But this trial is not fair. The challenges will break you. The monsters will hunt you. And the people beside you? They are not your allies, they are your competition.Only ten will make it to the end. The rest will be lost forever. But if you survive, the gods will reward you with power beyond imagination.Now, fight. Endure. Remember who you are.Dune wakes up in a strange, empty place with no memory of who he is or how he got there. All he knows is that he needs to survive.As he faces dangerous creatures, humans, and tough trials, Dune starts to uncover fragments of his past. He meets allies and enemies, each revealing new clues about the mysterious world around him.Driven by a need to remember, Dune pushes through impossible, hoping to reclaim his identity and uncover the truth about world he’s trapped in.

Born with the fate of a slaughterer, but all he wanted to do was help.