First of all I have some problems with the translation already. Please use the general terms:
Devil not Demon.
And they are shown in the Old school building which is In High School, not College area.
For those unfamiliar this spin off happened after The Festival (after season 4, around Volume...
Yeah she was part of it, remember it's Ada's father who saved her? Yeah and after the constant bond with Ada only to lose her, Roal is the only one after that left the most impact on her life I guess? So killing him made her bitter? Either way she's getting better now at least
Yeah so Rush that the supposed so call "preparation" is all worthless, the characters got no screentime at all, the one which was insert in a few chapters (Naru, More) feel so lacking, so much rush as if it was speedrunning or something? And the way Jonh always call for Ferena is just so...
Where is the Commander, the Old veterans, what's about the Knights? Don't tell me the kingdom only have this much to rely on ? Then it wouldn't be surprising if it got destroy