Fairly sure she died; but since she returned to a state of small-girlhood, there's an afterlife of happyeverafter.
Dunno if Soul-Crushingly Depressing or some pool of Heaven, if there were one.
There's "Tragedy of long life", but I'm not sure if it qualifies for that. Nothing here explicitly shows, that she died at some point, although one can probably see it implied.
Kuma seemed to ask if Himari got married. If the answer is yes, then the girl that joined him might be Himari's daughter, the spitting image of Himari as a little girl, and also worthy of the name Himari.