User blog comment:Seieireppa/God Eater: Reverie for a Dying Star, chapter 16: Decision/@comment-1419424-20150805151915/@comment-1419424-20150805152523

You'll have to wait and see. Regardless of who here knows the truth about the identities of Will's mother/father, I don't think I've revealed the identity of the mysterious metal Aragami to anyone. Be patient and you'll find out ;)