User blog comment:MrCents 04/For the Second Season/@comment-27010445-20151008122503/@comment-110.55.0.127-20151008222027

Volume 3 was badly rushed on the 1st cour. Plus, the LN only has 9 volumes so far therefore the author and his co-staff wouldn't allow an adaptation that far. The best they could is another 1 cour (12 eps) covering another 3 volumes (Vol 4 to 6).