In general, the series shows the dark side of the world, slavery in one side (by that I mean slavers who don't care at all about their slaves) or the fact the head of the mafia is one of the Merchant Guild's rulers.
The manga is a bit slow and it doesn't help that the second volume from the...
Volume 6 actually.
The series basically have 3 arcs who build up to a certain moment. Mimori becoming the Flyking during the war and save the heroes marks the end of the first arc. We're only at the beginning of the second arc.
It wasn't that long.
But since you and many others treat everything that don't have a BO appearance as filler, yes the plot is not progressing.
It was her only appearance actually.
One of the few criminals that were never arrested in the series.
Vicius is the only antagonist in the series who has a PoV every Light Novel volumes.
She's not an other villain of the week, she's one of the main characters.
There's something else in their characters.
The fact they love each other.
The manga skipped the death of the two guys of last chapter, but it's actually a good representation of how far Touka can go to punish bad guys.
It's funny you complain about the human form while it has its usage (like the fact she can pass as a human and lives freely amoung humans) but doesn't find anything to say about the fact that collar also allows her to become a catgirl, something absolutely pointless but shows Erika has some...
Well the manga went immediately in the action, skipping a huge part of the prologue.
Besides the fact most of the classroom follows what the leaders decide (so totally irrelevant), those who could have done something... considered it was pointless. They all saw Ayaka trying to save Touka and...