[No system + no invincibility + multiple female protagonists + wasteland + no routines] There are few chapters with less than 3,000 words for more detailed descriptions. If you don't like it, don't read it. Thank you.
In order to find his abducted sister Ling Shuang, Ling Chen was forced to embark on a thorny road of confrontation with the giant enterprise "Panshi Industry" Ark from an ordinary tuner struggling to survive.
The Wasteland Era 150 years after the "Great Collapse":
The world was not destroyed by nuclear war, but by an apocalypse called a "technological singularity war." In the middle of the 22nd century, global giants launched a silent war for the ultimate control of "strong artificial intelligence" (SAI). The ultimate weapon of war is a swarm of self-replicating nanorobots that devour specific metals and silicon-based materials - the "Grey Tide"**.
The "grey tide" went out of control and swallowed up 90% of the world's urban infrastructure, transportation networks and high-tech equipment within a decade, breaking it down into useless powder called "rust sand". The surface of the earth has been permanently changed, forming a vast "steel ruin" and a "creeping place" that is polluted by "grey tides" and is periodically "activated"
It's beautiful, why don't you write it down?