MTL - Into Unscientific - Chapter 402 Brother Donkey: Open the harem! (Wanzi update is here,

A boy wakes up with omnitrix as a X-GENE

A legendary powerhouse of his generation, tired of the bustle of the peak, returned to the ordinary city and started a new life as an ordinary teacher. He wrote the legend in the city.

Magnificent mountains and rivers, the rising powerful ones. Some ancient martial art masters stood at the peak, becoming legendary. Some financial crocodiles rose up in the minuscule places, laughing arrogantly.

However, watching the school beauties was better than fighting and killing; educating was better than fighting for fame.

- Description from Novelupdates

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

A new world, filled with mysteries and deadly dangers. New faces, hiding their true intentions. Horizons beyond his wildest dreams. The world of Ice and Fire has opened its gates to him—there is no turning back.Born into a family of ordinary knights, he has no powerful benefactors, no secret knowledge of what lies ahead, and only a vague understanding of this world’s ways. But one thing is certain—he will never stop moving forward. Intrigue, betrayal, enemies—mere obstacles on a path he will carve with his own hands. His life will become a legend, but what kind of legend? That is for him to decide.The first step has been taken. Welcome to a journey that will shape the fate of Planetos.