Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 17 - Chapter 17-21. Imaginary Fears

Xiaya reincarnated in the Dragon Ball Universe as a Saiyan 12 years before the destruction of Planet Vegeta.

Watch him as he creates the strongest legend of Dragon Ball World from the beginning.

- Description from Novelupdates

“I don’t care what Thanos’ ideals are, and I don’t care what the consequences of having too many creatures in this universe will do, as long as he doesn’t ruin my business with that damn Infinity Glove!” – Kahn Ponte

Once he traveled to the world of American comics, Kahn had the golden finger to trade all worlds.

At this point, the name of Boss Kahn not only resounded in the Americas of the Marvel Universe, but his influence spread to all the worlds!

PS: There are many follow-up worlds such as Marvel, Naruto, Harry Potter, One Punch Man, Black Robe Pickets, Dragon Ball, Pirates, etc. You can decide…

- Description from novelbuddy

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

“Even if this universe is truly nothing more than a brutal bloody shadowy forest, we Cultivators will burn all that we have just to give off a single weak flickering spark in the darkness!