C67 Dig a Hole and Get Yourself into a Hole

"Look at me, I've forgotten that Yun Kai has already married you. It's no longer appropriate to address her by her name." The emperor lightly slapped his forehead with a look of regret on his face. He then worriedly explained, "Jiu An, you won't take it to heart, right? "There's really nothing going on between Yun Kai and me. I only view Yun Kai as my younger sister