Ore ni Trauma wo Ataeta Joshi-tachi ga Chirachira Mitekuru kedo, Zannen desuga Teokure desu - Vol. 6 Ch. 25.3 - 「Everyone Is My Enemy」

[ActionDoer]

in the present timeline, the black haired teacher is probably drinking boiling mud in the depths of hell

isn't she the same woman that's among the highschool's staff? are they not the same