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 Xiaye's gaze followed Shen Yue's line of sight towards Mu Yuchen, yet she noticed that he remained calm and composed, standing neither servile nor overbearing. He simply allowed Shen Yue to stare, glare, and size him up.

"Are you Mu Yuchen? The grandson of those two old folks, Wang Hui and Mu Yinan?" A while after, Shen Yue's aged and gloomy voice finally rang out, thickening the vaguely stifling and threatening vibe in the air quite a bit.

Xi Xiaye became even more nervous as she quickly went up and said, "Grandpa, this is our fault. We..."

"You're at fault? What did you do wrong?" Shen Yue's voice became even more stern. It was not at all like his usually loving, gentle self. She knew well that the matter this time had made him very upset. After some thought, she let go of Mu Yuchen's sleeve and walked towards Shen Yue. "Grandpa, it's our fault for getting married without informing you guys, but all of this was my idea..."

I Want To Be Responsible For Her