The Yu Brother's Case Book - Volume 3 Chapter 4

The Mad Cultivator follows the tale of Ye Kong, a rude and vulgar thug from modern day China. While collecting protection fees, he was sent to another world! By the time he realized what was going on, he was possessing the body of an idiot. Watch as Ye Kong struggles against fate to climb the road to immortality!

- Description from Novelupdates

Zixu woke up to find himself in the world of *Naruto*.Too weak to survive? No problem—he has the Kaido template.Unfamiliar with the *Naruto* world and clueless about ninjutsu? No worries—devouring Sarutobi Hiruzen's soul will take care of that.Caught in the constant battles between ninja villages and struggling to protect himself? Simple—just start his own teaching faction.Lacking manpower? Short on talent? Easy—swing the hoe well, and no corner is too deep to dig.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

Having transmigrated to a new world and becoming an ordinary Blacksmith in a Blacksmith Shop, Ye Feng shortly has the Master Blacksmith System activated.