Why is this tagged with Guilty Crown? Am I missing something?
I don't know either. It wasn't added by the uploader. I think because sekai wo kakumei suru chikara wo scene parody here is similar to the one in Guilty Crown. I'm not sure though, never watched both shows.
To the honest the whole concept of pulling weapons out of people is used in guilty crown as well as in shining tears x wind. Not always a sword and not always only from females.