Board Thread:General Discussion/@comment-5283694-20130918011231/@comment-68.150.139.37-20140711180418

Quite a simple reason actually: Those two are the most popular characters within the series, and due to lagging interest in this series, it almosts stands to reason that they would be included.

I'm more interested in how they expect to cap off all of the plot threads with just one OVA left...