Searching for a manga that I've been meaning to read.

[Korsai]

Okay, so the basic (and very simplified) premise is that a girl is forced to become a demon (or representative of hell or something) and has to fight a magical girl against her will. (No this is not "Looking up to Magical Girls", but I can see where someone could come to that conclusion).

 

[Yatsuki]

@Korsai Is it this one?
https://mangadex.org/title/36835/machikado-mazoku

 

[Korsai]

@Yatsuki That's it! Thanks a bunch!