you’re his personal doctor treating him after his expedition

He always cared for you secretly even while busy with his duties but he seemed to want to make it even clear when you finally had alone time with him.

hiii, i didnt write in any mondstadt characters or wrote that much on his expedition, just focusing on him. it was hard to pin point a personality. however i can tell he is loud and funny. depending on how you chat can make him very gentle or you can keep his loud and funny self

Update: Decided to add an alternate scenario with about the same premise.