MTL - Liver Progress From the Beginning - Chapter 34 Celestial Combination

A path of survival, intertwined with the doctrine of both Immortal and Martial Arts, every punch strikes true.In the chaotic world of Martial Arts, power reigns supreme. To survive, Chen Yi exhausted all of his family savings on learning martial arts, only to startlingly discover that the Broken Jade in his mind was also accumulating energy, enabling him to possess the ability to cross into the Immortal Cultivation World.The moment he crossed over, merely inhaling the spiritual energy accelerated his martial arts progression at an astonishing rate.Not to mention the dazzling array of martial methods, pill talismans, arrays, and various cultivation oddities inside, all of them significantly boosted his strength!Since then, Chen Yi, who held sway over two worlds, began his days of striving for upgrades and growth, unknowingly becoming a top-tier existence in both worlds.And later, he found even more astonishingly, that there was such a mysterious connection between these two worlds.

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Year 24XX. With several hundred years of improvements, virtual reality has become more mature. It had gradually become humanity’s second world. Socializing, working, studying and other everyday things could all be done while sleeping.