My headcannon is a bit dark but heat me out



Our Sunset, lost her parents just after birth (mother dieing giving birth, and dad from saddens, or shock), which is one of the reasons Celestia basically adopted her



Sunset of the human world however, met reverse fate, and died herself, leaving her parents alive.



Yeah basically I'm saying the reason we never met human Sunset, is because she isn't alive to begin with.



Eather that, or she's in another town.



I'll take eather or