Nameko: Sekai no Tomodachi

Nameko forest is where different kinds of Nameko from all over the world gather. Nameko and his friends, who live in the forest, decide to tell people about the forest's charm by becoming guides, forming the group "Universal Rangers of Nameko Forest." The Nameko that come from all over the world are all unique, with their own personalities.
(Source: Anime News Network)