Pet Beasts of the World: Hundred-Fold Multiplier System - Chapter 123 - Admission

He is the ruler of the mercenary realm, an overlord that gives headaches to the leaders of any country! For the sake of his friends, he’s willing to sacrifice himself; for the sake of his family, he does not hesitate to spill blood! He is a dragon, one that soars above even the highest of heavens. He’s a power that advances triumphantly through unstable situations, stirring up both the winds and the waters.

- Description from Novelupdates

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Manipulative MC, no love, Big Harem, Cruel, MILFsMC is an employee in the plot enhancement department of a company that entertains the constellations.His role is to act as the villain, and he is the star employee for this villainous role.He moves within different novel plots, manipulating heroines, farming fate values from sons of heavens, and achieving the end goals suggested by the constellations for those plot endings.While the plot varies according to the assigned world, what remains common is his presence as a villainous character, with not necessarily the presence of other characters like heroines and sons of heaven.For the story introducing MC, it is set in an urban cultivation world where he has been assigned to act as Damien Raphael, heir of the Raphael Group.He finds himself in a face-slapping event with a son of heaven and deals with him accordingly, as this is his daily job.

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