They are going for a very different timeline. I have no idea why they are going with this method, but they skipped a really good Kurumu development episode, and one of the actual action arcs rather than these pathetic monster-of-the-week eps that end with a 15 frame fight.

It seems they're going after introducing all of the girls first. Don't know why, but expect the series to pick up very substantially in the second half.

Though many people who are still on the fence about this series will be long gone.