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 smiled. "Great, then I'll call you Xiao Rui from now on, and you shan't call me 'Aunty' anymore. You have to call me 'Mother', and you'll call this handsome uncle 'Father'. Xiao Rui, you'll also have grandparents too, okay?"

Mu Zirui nodded obediently. He dropped his defenses after meeting them several times and was quite fond of Xi Xiaye and Mu Yuchen.

"Then, what should you be calling us now?" While Xi Xiaye was patient with the child, she was also full of expectations.

Mu Zirui looked at Mu Yuchen and Xi Xiaye uncertainly. Moments later, he started saying softly, "Father... Mother…"

Xi Xiaye's heart softened as she heard his childish voice. She glanced at the man beside her with her eyes all glittery.

"This kind, old man is your great-grandfather. Come over and greet him," Xi Xiaye introduced.

Reunion (3)