Pokemon: secrets of the jungle

In the Forest of Okoya, the Mythical Pokémon zarude finds an infant boy in a cradle washed up on a riverbank. Unable to leave the child on his own, Zarude adopts him as a son, giving him the name "Koko". Zarude leaves his tribe, which inhabits a Great Tree deep in the jungle where humans are forbidden to venture, to raise Koko who grows up as a lost child Ten years later, ash and pikachu visit the Forest of Okoya from nearby Milyfa Town.