I dunno are there like three or four other examples we can look at here?
#g witch
also: #gwitch, #suisei no majo, #Gundam Witch, #Gundam Witch from Mercury, #Kidou Senshi Gundam Suisei no Majo, ##gwitch, #gundam suisei no majo, #Mobile Suit Gundam: The Witch from Mercury, #suisei no majou
... Ah. Welp, so much for going to bed or booting up MonHun, then
I FUCKING KNEW IT
(Gundam Witch S2E2 spoilers under the cut)