MTL - One Piece: Wudang Baiye, Deputy Captain of the Straw Hats - Chapter 381

The universe. This infinite field of stars is the dream of every Hunter.

For the Hunters who run amidst the stars, the only limit they truly have is the universe.

Is there a limit to the universe? And where would this limit lay?

When the Shadow Hunter; a young man named Cillin obtains a strange chip by accident, he begins his journey into this endless field of stars.

- Description from Novelupdates

This is a reincarnation/isekai story, about Matt (later TreeTree), an overpowered tree in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them.At first a bystander, over a long period of time, TreeTree will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.

The inexplicable existence expands the earth and stars a hundred times, and the whole world is digitized by the game. The ancient existence began to return, and there were alien races in the chaos.

This is the struggle for hegemony between the fierce soldiers of the Great Qin Dynasty and the Yulin Army of the prosperous Tang Dynasty, and also the collision between the military soldiers of Wei Dynasty and the trapped camp.

When the Spartan Warriors met the Yellow Turban Warriors, when the Holy See’s Crusades met the Mongolian Iron Cavalry… Elephant Soldiers, Iron Buddhas, Viking Pirates… Humans, Beasts, Alien Invasions… …Who is the strongest civilization in the heavens?

- Description from novelbuddy

Lin Wu was a university student that died after having one too many energy drinks and then reincarnated into the body of a worm. He awakens to find out that he now has a system, but even it doesn't have a clear idea of where they are.

He comes out of the ground and discoverers that he’s no longer in his previous world but rather in a cultivation world.

Witness Lin Wu’s journey as he worms his way to the heavens from a tiny worm crawling in the ground.