Because we needed on of these.
Minoru Shiraishi is Sakamoto, and Hiromi Konno is Professor Shinonome. Its pretty crazy that they are fulfilling the same roles that they did in Lucky Star in Nichijou. It's a small world I know, but I thought this worth noting.
Other then that, I'm just curious about the transition it went through at 14. Kyoto really kicked it up a notch.