Butcher Demon - Chapter 281

This novel is a blend of the anime Oregairu, focusing on Hachiman Hikigaya as our main character, and Classroom of the Elite, intertwined with a sweet romance. Give it a read and decide whether to continue based on your experience!

“Missus, time to fulfil your duties!” Mu Yuchen demanded as he pulled Xi Xiaye closer with his arms intimately wrapped around her waist.

It was a meticulously planned feast for the powerful. Her fiancé had knelt down on one knee and proposed to her sister instead. Robbed of her right to her inheritance, she was prepared for the Xi family to throw her to the wolves.
As she slipped away from her family that had turned their backs on her, she found him — Mu Yuchen, the low-profile and reserved noble that ruled City Z and led Glory World Corporation.

“Mu Yuchen, let’s get married!” He looked up at her, then suddenly stood up.

“Where are you going?”

“Let’s go. Any later and the civil affairs bureau will be closed.”

- 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”…

I am Supreme