Japanese Aro Sites

Below are a few Japanese sites I am interested in. Does anyone know about these guys? Heh, Yuppa and Kenta - any help you can provide via the Japanese language angle is most appreciated!

http://www.asiaarowana.com/

http://blog.shirakura.shop-pro.jp/

http://www.shenron.co.jp/

What other key Japanese sites would anyone recommend?

Arowana ML - been a favorite of mine for years.

http://www2.wbs.ne.jp/~arowana/egallery.htm