After rebirth, I rejected the rich yandere lady - Chapter 1 - : It’s easy to latch onto a rich woman, but hard to live off her charity.

Finding himself in an Last Airbender without an airbender around, a transmigrator waterbender goes on an adventure to stop the worst from happening to him.

Jiang Bai woke up one day and found with shock that he had transmigrated to a parallel world that is similar to Earth. There, he was granted a cheat system to help him forge the path of a tyrant in this new world. He was now stuck in this parallel world body, the body of a weak and cowardly person. Join Jiang Bai as he rose to the top in this new world!

- Description from Novelupdates

Lin Lan traveled to the world of Ultraman Zeta, and he also obtained the template of Ultraman Saiga, one of the four mysterious Olympic Games.

Just when he was about to rely on the system to fight the whole universe, he met Sister Zhou who also came through time travel, and the whole battle was live broadcasted to the original world.

Since then, no matter whether it is this world or the original world, people can’t sit still…

Zeta: Senior Saiga is the most powerful Ultra warrior in my heart!

Sailo: I can become Saiga without me! ? Then I go?

Countless netizens: “Fuck, there is a Saiga in the Zeta world!?”

“Saiga Tameow can also use the Cosmic Eudemons Fist!?”

“Wait, what happened to Noah’s hellfire?! And the power of Aurora, the legend of sparks??”

“This Saiga, something is wrong!”

- Description from novelbuddy

At first, when he learned that he was forced to go to many different routine worlds and be reborn into all kinds of cannon fodder, he was against it.