User blog comment:FairyRaven/Fairy Tail Chapter 325: Unity, Review and Commentary/@comment-139.195.206.252-20130329101437/@comment-7418318-20130331214751

I just saw that Angel and Yukino even have the same voice actress (who, for some reason also seems to have spoken as Eve from the Trimen oO).

The more I learn, the more I'm convinced that Angel is Yukinos missing sister.