Log Horizon
First, stop the author from committing tax fraud, so he can finish the series.
Second, greatly reduce the amount of time each book spends recapping previous books. It gets really annoying - as the series got longer, we spent more and more time in recap.
It also seems like there’s some sort of unlock mechanism for what civs will be available for you to choose from in the next era - you’ll assumably have to do certain things in an era to unlock specific civs for the next era