![Black Butler: Book of the Atlantic](https://trendimovies.com/wp-content/uploads/2021/01/4jU2Bdk1MB2OvP4BBvTJIPQc0BF-185x278.jpg)
In the Forest of Okoya, Koko is a feral child who has been raised as a Pokémon by the Mythical Pokémon Zarude. Koko has grown up never doubting that he is a Pokémon even though he can’t really use any sort of moves. Ash Ketchum and Pikachu meet Koko and help him protect the Great Tree from the crooked scientist Dr. Zed.