Blue colours his cheeks and ears, and Lan Xichen has to remind himself that Shen Yuan is originally from a society where such behaviour can be treated in a much more casual way, and that Xichen should not put much in stock by it.

(It peaks his curiosity, however, what it must be like to be so free with self-expression, and he envies Shen Yuan in that regard. And if, if he smiles a bit shyly and looks away, well, that's only natural in the face of a bit of culture shock.)

"I had assumed we'd talk some more. But there are also some delightful games on the omni. Has Shen-gongzi ever played something called Candy Crush...?"

Because of course basic mobile games would get their claws in him. Of course.