To My Dear Mr. Huo - Chapter 840 - it seems to have nothing to do with you

Say what you want three times:
This article has no CP!
This is a brainstorming essay.
When another space node in the primitive rainforest world overlaps with our living space node, a passage between the two worlds is opened.
Plants from another world spread in just a few days and the city fell.
Before long, herbivorous, scavenger, and large carnivores appeared.

Content tags: fantasy space fantasy magic sci-fi power
Search keywords: Protagonists: Mo Qingqing, Wu Mengmeng (Wu Nan), Liu Ziche, Feng Qingran

- Description from novelbuddy

In the continent of Chang’an humans had lived as livestock and slaves to the Primordial Beasts. These beasts were ferocious, bloodthirsty and overwhelmingly powerful, but even so, the humans managed to prevail in the face of despair.

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …