 Penguin Musume

An original net animation adaptation titled "Penguin Musume Heart" was streamed on Nico Nico Douga between April and November 2008.The story follows Sakura 'Penguin' Nankyoku and her friends Kujira Etorofu and Nene Kurio through their daily lives, which are often corrupted by either Penguin herself, her economic rival Mary Whitebear, or other people who have interest in the Nankyoku family.