Mameushi

Mameushi (まめうし) is a children's book series created by Tadashi Akiyama and published by PHP Institute, Inc. An anime series adaptation Mameushi-kun (まめうしくん) produced by TMS aired on NHK Educational TV, tvk and other channels from October 6, 2007 to September 27, 2008 for 52 episodes.

Plot
The misadventures of a bean-sized cow named Mameushi and his bean-sized animal friends.