The Once and Future Witches by Alix E Harrow

When you have a character that you like and you really don't want them to be evil.
Hey look. Trauma.
when there are characters named James and August, Folklore Swiftie rises (not in the shipping sense)
Grimm sisters. 
Alexa play Mad Woman, and the bridge of I Did Something Bad
Just....play all the Taylor Swift.
My shiiiiiiip. They so cute.
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