MTL - On the Wedding Night In the 80s, the Sweet Wife Has Space - Chapter 21 Treat grandma

Everyone thought that the most powerful scientist they had ever seen was a national treasure-level scientist until they saw Baizhi-
The light of technology, a cosmic scientist.

Three thousand worlds are different.

In each world, she is keen on scientific research.

This is a story of a scientific researcher who concentrates on scientific research, explores high-dimensional science in various worlds, and refuses to admit defeat and fate. The text is easy to comprehend, flows smoothly, humorously, and the plot is full of ups and downs, and it is full of positive energy.

- Description from Novelupdates

Humans across the world ended up joining a “Demon Kings and Heroes game”.

Several billion people were set down upon another world to act as “Demon Kings” and “Heroes”. Everyone has to chose their starting races from the start.

Zhang Nu was set in the Demon King camp.

He discovered that he could see hidden information that no one else could.
[Slime Demon King]. Low grade demon king bloodline… Not recommended!
[Kobold Demon King]. Low grade demon king bloodline… Not recommended!
[Dark Elf Demon King]. Mid grade demon king bloodline… Can be selected!
[Bloody Giant Demon King]. High grade demon king bloodline… Recommended!
[Abyssal Dragon Demon King]. Strongest starting bloodline… Extremely recommended!

“You’re the moonlight that lights up the night’s darkness~

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In a world where the human race is bound to be annihilated, six heroes are summoned with the sacred mission of saving mankind from extinction. The task of leading them in their crusade falls upon the shoulders of a single amnesic and weak man forsaken in the wilderness alone without any means of survival.

Join Ryu’s adventure in this slow paced journey submerged in a fantasy world where he’ll meet friends, enemies and love interests who will discover this brand new world along with him.

So, survive in the parallel world, please!