This is not only post series, but also the *pauses to count* third story in an arc. The rest of the arc is here (http://www.alltrees.org/hybrid/writing/AS/index.shtml). Quick summary: since the demons cut loose hell and crashed it into the heavens at the end of the manga, the two planes have started to merge, and all the survivors of the third war and God's death, both angels and demons, have to find some way to cope. Poor suckers. ^_^

I discovered AS fairly recently, and was entranced by the characters and Kaori's re-reading of Revelations and Milton. Great fun!