Bei Chuan Yun Shang Jin

"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.”

EndlessFantasy Translation 

The Most Loving Marriage In History: Master Mu’s Pampered Wife

Xi Xinyi was shaken as the things that Mu Yuchen had said to her back then immediately flashed in her mind.

Mu Yuchen stopped leisurely and glanced at his woman before peering at Xi Xinyi. His profound gaze was so cold that Xi Xinyi instantly felt the chill to the bone. She trembled a bit, then turned to leave. Watching her figure rush off, Su Nan felt like she was running for her life.

Xi Xiaye was still stunned by the man's sudden appearance, so she could not react immediately.

When did he appear out of nowhere?

How much of the conversation earlier had he heard?

As she thought about this, Xi Xiaye shuddered to herself. Before he could react, she felt her cheeks turning hot, and she could not help but blush especially with Su Nan teasing her on the side.

"Cough cough, Xiaye, your watermelon [1] is here. I'm off now!"

Master Mu Is A Watermelon? (4)