Manmaru goes to ninja school at Nenga, where foxes and raccoons study the art of assassination under a bear ninja master. He is soon thrown in to local rivalry between the Nenga school, the Koga (monkeys), and the Iga (dogs), as well as facing temptations from the Dobe, a group of dropouts from the Nenga.
- Other Title: Ninpen Manmaru, Manmaru the Ninja Penguin, 忍ペンまん丸
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: TV
- Genres: Comedy, Samurai, Shounen, Anthropomorphic, Animation, Martial Arts, Penguin, Ninja
- Characters: Manmaru
- Rank: 14958
- Popularity: 14679
