I read a couple chapters and while not to this point, it seems that will be the point in the story where she accepts she loves SadoMasichism.
She gets picked by some cosmic cat thing to be an evil magic girl. And her powers are all bdsm related. So she attacks with things like bondage and tickling and gets off in it.
Wow, Heywood can get fucked. That is clearly a policy that is favorable to WA, its environment and to the people.