Reincarnated in the Alternate World, I'm A Demonic Lord as Well as a Villager - Chapter 25: The Work of the Demon Envoy

By coincidence, Li Yunmu found a super machine from humanity’s age of darkness. From that point onwards, his ordinary life would never be the same! Aptitude? Innate talent? What are these? Could they be eaten?

I have neither aptitude nor innate skill, but my shadow can level up using hacks. Experience, Ability points, battle prowess… all of them could be hacked. Even while he is asleep or tired, he could still increase his skills.

- Description from Novelupdates

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

Shen Long held a Myriad Beasts Tower, and the Spirit Beasts he reared became increasingly formidable—The Fire Rock Beast transformed into the Fire QilinThe Gold-Winged Windroc into the Thunder RocThe Green-Eyed Spirit Fox into the Nine-Tailed Spirit Fox…Years later.Do you know what Immortal Venerable of the Beast Race is?!

On the surface, he is the aloof and standoffish patriot whose sole purpose is to serve the nation. On the darker side, he is an invincible, powerful and mysterious man.