Clearing an Isekai with the Zero-Believers Goddess – The Weakest Mage among the Classmates - Chapter 283: Takatsuki Makoto tells everything

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

By a series of freakish accidents, she provokes the feared and mysterious “God of Night”.

When someone bullies her, he says, “Only two types of people bully my wife: those who haven’t crossed her path, and those who have already died. Which do you want to be?”

When someone questions her, he says, “Everything my wife does is right! Those who disagree can have a little chat with me!”

When he goes home, he pleads in a low voice, “Wifey~ Can I not sleep in the study today?”

“You can consider sleeping on the streets.”

“Well, I’ll sleep in the study, then.”

At night, he abducts his freshly-showered wife into the study. She shrieks, “Sheng Nanxuan! What are you doing?!”

“Sleeping… in… the… study!”

The next day, his wife dashes out of the room with tears in her eyes and a sore waist. That isn’t what she meant by “sleeping in the study”…

Travel to the wizarding world.

“But… what about the wizard who promised to pursue the truth?”

“Why are they all greedy people who pursue power!”

With infinite knowledge comes…

It’s endlessly weird!

- Description from novelbuddy