The Black Beast’s Useless Concubine - Chapter 21: A Smackdown!

Finally caught up with the trend of crossing. Wait, everyone else has a golden finger when they cross, how can I become a little beggar after crossing!

Fortunately, the memory is still there, watching how I transformed from a little beggar to a top rich man!

- Description from novelbuddy

mc gets transmigrated to Fallout New Vegas with the merchant system. let the questionable adventure begin.

Chu Yi, who was accidentally reborn into a beast-taming world 18 years ago, has finally awakened the Evolution Compendium, a system that could help him with binding beasts.Yet the first “beast” he binds is a little bit extraordinary.[Ding, binding success!][Player binds first Deceit Beast, reward: Initial evolution points +5.]“Binding successful? What did I bind?”“This is... my hand?”

[You have been abandoned by the human race and become a Fallen.][The Fallen System has been awakened.]'Ding!'[Quest Complete! Reward: Fallen Narakai Bloodline (3° Tier)]Sentenced to public execution at sixteen, falsely accused of being a monster and a genocidal maniac, Cairen Veyrith saw his family, his race, and the entire world turn their backs on him.As the executioner's axe descended upon his neck, Cairen fell… but something refused to let him go.Transported by the System to an unknown world, now bearing countless bloodlines. The legacy and fury of all the races that once fell.This time, will he find a place where he belongs…? Or will he be the one to abandon the world?