C70 Familiarity or unfamiliarity

Mu Qianyu was still in a daze, her eyes turning slightly as she felt extremely uncomfortable in her heart.

Xiao Yu, Xiao Yu, what's the name?

Are they very familiar with each other?

"Your Highness, this lowly one will return first."

Zheng Hong stood up and took his leave, and then looked at his little sister with a deeper meaning