^ Hmmm... The first thing that comes to mind from that description is episode one of Wandering Witch: The Journey of Elaina. Anything more to go on? What kind of relationship did they have?
not really, I only saw the first couple of pages but didn't read more since I am just been lacking energy and time to read stuff (I am behind on so many stuf orz) but forgot to save in the "to read" list.
The only thing that comes to mind as a reference is that I as I read the premiese I though that it reminded me a bit of Frieren and Fern, where the younger one seems more responsable than the older one, and makes you wonder who is actually taking care of who
but not much besides that TwT