Doomsday Lord - Chapter 252: Discussion

In short, MC inadvertently created a world, but as the creator of the world, he did not know the world at all. He should have lived here like a fish in the sea with some plug-ins that MCs always have. But now he is even stumped by the bugs in the instant world. Luckily, in this world he has found his shadow guard, or his lover? So the daily adventure is getting not so boring…

- Description from Novelupdates

Step into a world where science meets the unknown, where mechas clash in brutal duels, and where every Biocore holds a mystery waiting to be unraveled.Follow Nioh, a genius weapons designer, as he uncovers lost technology, battles biomechanical titans, and pushes the limits of power, in an intergalactic thrilling adventure

He Gui can freely travel between reality and the parallel world in 1985.

The disappearing Chinese rhino appeared.

Spotted soft-shelled turtle and white dolphin appeared again.

The extinct local pigs are on the table again.

He Gui: I am as stable as an old dog in the real world, but I attack everywhere in the parallel world. PS: During the new book period, there are two updates every day, 8 in the morning and 6 in the evening. Mengxin asks for recommendation, collection, investment.

- Description from novelbuddy

For others it takes dying and reincarnating for them to get a system but what happens when you get one without dying?

Aron Michael is an average student set to graduate within a week, but he was expelled for a random reason. Due to that, he had heavy student debt and no diploma to help him earn the money to pay it back. But one day he got a system that called itself the [Advanced Tech System].

Follow the story to watch him develop from your average Joe to him being the owner of the largest company in the world.