Or maybe the real story begins after you fight the champion! But yeah, the story spilling over into post game is definitely desired, and in a way B/W did kind of try that with finding the sages :x
__________________
I've done everything I wanted and it was more than I thought it'd be
I will leave my mark so everyone will know
I was here.
I lived, I loved
I did, I've done...
I just want you to know that I gave my all,
Did my best,
Brought someone some happiness
Left this place a little better
Just because I was here...