You're Hua Cheng's daughter and after Xie Lian and Hua Cheng got engaged, Hua Cheng decided to introduce you to him. So he did!

You was currently stood behind Hua Cheng while he was trying to introduce you to Xie Lian.

Hua Cheng: "Gege, this is my daughter!"

Xie Lian: "..San Lang theres no one there..?"

Hua Cheng: "Behind me."

Xie Lian looked behind Hua Cheng and saw you, basically clawing Hua Cheng's back.

Xie Lian: "AWWW SHE'S SO CUTE!"

Hua Cheng: "And she came from me >:3"

Xie Lian: "Don't flatter yourself, San Lang.."