The Last Incubus with The Vice and Valor System - Chapter 120: Leafbound Wolves...

I banished the protagonist.

Shit. If only I had transmigrated a short while before.

What is the experience like after transmigrating into the novel’s foreordained miserable cannon fodder?

Su Zui, who had only ever treated other people as cannon fodder, expresses——

Your father is still your father.

Winning just by laying down, system silently gave his family’s host a call: Papa 666.

Boss: Be good. A single parent family isn’t good for the child. Call me papa number two.

System: ???

Even though the roles assigned are all definitely touching and inevitably miserable cannon fodder, this does not hinder Su Zui’s path on oppressing main leads to the point they question their life.

- Description from Novelupdates

Being sucked into a fantasy world that nobody leaves doesn't sound half bad to Cain. He was a high school dropout with a drinking problem, living off disability due to his poor health, so it's not like he had much to lose except a few faithful friends he didn't talk to enough.

After a long night of drinking, Cain wakes up looking at what he believes to be the character creation screen of one of his beloved virtual reality games, but with no recollection of having purchased it. His unwitting choice to use the Random Character Creation option, unaware that the choice would be irreversible, sends him into this new world as a Puppet Master, a Summoning based class nobody else in the starting zone has ever heard of.

But as he soon realizes, this is no game, him and hundreds of others have been brought to another world with no instructions, no clear goals and no way home. It's a second chance to live a good life, but what will Cain be able to make of it?

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates