Thread:Bereisgreat/@comment-4688536-20120206234125/@comment-1044263-20120207135018

I understand why you think that, but it still hasn't been fully confirmed that Yukio is a Demon. I know, his eyes are changing into Demon eyes and it seems that he also inherited some of Satan's power. But it's still not yet confirmed in the manga, so Yukio stays out of the Demons section for now.