Konohana Kitan Nakai Tokuban
This was a 8 part special to introduce the upcoming TV anime Konohana Kitan (¤³¤Î¤Ï¤Êåºëý).
The six main seiyuu of Konohana Kitan (listed above) appeared, and the narration was by Kakuma Ai. Each video was around 15 minutes.
The main part of the video had Yuuko, Sawako, and Risa going to an onsen ryokan, and learning about the work they do there.