Taming Master - Chapter 506 - Ian’s Underworld Exploration 2

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

I tried to establish the Tokugawa Shogunate in another world.With the knowledge of the ruler of the country, the young Ieyasu unifies another world!?Has the era of Ieyasu the old fox already over!?This is the story of the super-cheat young Ieyasu and the naïve elf princess unifying another world!Tokugawa Ieyasu, the ruler of the country.He thought he would die a regretful death after eating tempura, but he suddenly found himself reincarnated in an unknown world with a 20-year-old body!?Moreover, after saving the elf princess, Seraphina, from a human thug, he is appointed as the general of the “Edda Forest”, which is on the verge of destruction.He is a coward and a thrifty person, who think that he can simply waits until his enemy dead before fighting.Ieyasu’s mind is not like a hero, and because of coward’s disposition, he begin to gather useful people in the “Edda Forest”.The cheapstake dark elves are are being made to raise funds.The dwarves, who dig holes all the time, are tasked with flood control work and building secret paths.On top of that, he even employs a family of assassins to control information.Ieyasu is reforming the “Edda Forest” to be like the Tokugawa Shogunate, butーー

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

Transmigrating into a world of cultivation, you find yourself at the lowest rung of the sect's hierarchy. Everyone wants to bully you to gain some benefits. Fortunately, there are always a few junior brothers and sisters who are 'generous and understanding', allowing you to improve peacefully and secretly grow stronger. Years later, unbeknownst to anyone, you successfully become a deity within the sect. This day, your master visits you at the sect's request.'The upper echelons of the sect believe you have been diligent and loyal over the years, and though your strength is mediocre, you are an honest person, so they've found a marriage alliance for you.''An alliance marriage?''Not exactly. The other family has a rule: marrying into their family means taking their surname.'Is this... becoming a son-in-law who marries into the wife's family?