Board Thread:Questions and Answers/@comment-8959286-20130927152419/@comment-24425808-20140207014331

Well, BP it's heavily implied Ragna could be a Murakumo unit or Embryo Storage unit. I'm not one for speculation, but it hasn't outright been stated, or at least I haven't heard, that every unit was female. But Mori could be just throwing us a reel to cause a fan uprising.