wait how long was the time gap between GE2 and Resonance Operations? Alisa becomes head of the Far East Branch when Reso Ops takes place and she's wearing that uniform as shown on page 10, and how come the protagonist acquired Ren... speaking of which what happened to Rindow's God Arc in Reso Ops? its obvious in GE2 he's not using Ren I'm sure the God Arc should be part of Far East property...
Algester@ Resonant Ops took place 4 years later after GE2, the Author might be confusing for the timeline or else the MC would be Dead way too long or maybe the Far East Branch finally heard about MC Death/missing during his long period of absence on the fourth year might be possible in such time gap, as the old Bastard wants to isolate the MC and kill him, the Reason as to why Ren appears, it only a theory as some of Lindow's God Arc Oracle Cell might still be in inside of the MC by some miracle in reviving the MC and I'm sure the second God Arc that the MC use is not Lindow, look carefully on the first page as there a corpse and a God Arc possibly an Enemy God Eater.
I hope this helps someone to understand and hope this doujin gets a translate alongside some of the untranslated volumes.