Rivarun (Raika)

Rivarun, whose real name is Raika, is a character in YuruYuri, who appears as a fictional character of the fictional magical girl series, Majokko Mirakurun. She is the friend of Mirakurun when she isn't transformed yet rival when she is. There are also hilarious bits such as when she is forced to do Mirakurun's homework while attempting to fight her in an episode.