User blog comment:Seieireppa/God Eater:Universitas, chapter 48: On the Edge of War/@comment-26113680-20150811053926/@comment-1419424-20150811150113

Believe me, the rest will get paired up at some point or another.

And as for Sigma, well... you're both correct and incorrect. All I can say is that you'll just have to wait and see... ;)