Haré+Guu (ハレグゥ, HareGū?, lit. Hare and Gū) is a Japanese anime, based on an original manga which ran in Monthly Shōnen Gangan Twenty-six TV episodes were made, followed by two OVA sequels: Haré+Guu DELUXE and Haré+Guu FINAL.

The surreal, comical and occasionally serious series focuses on the story of a 10 year-old jungle boy named Haré and his misadventures with Guu, a liminal being who usually presents herself as a young girl. Although never specified, it's clear that the jungle where Haré lives is somewhere in Indonesia, since orangutans and Rafflesia flowers have been seen.

Source: Wikipedia