But Yuuna, always up to any task, is about to become an even bigger hero. Mysterious destructive forces called Vertexes begin threatening the world she loves, and the Hero Club is called upon by a strange phone app to save it. Along with her best friend Mimori Tougou, as well as sisters Fuu and Itsuki Inubouzaki, they must transform into magical girls in order to battle the Vertexes.
In between studying and putting on shows for kids, Yuuna and the Hero Club must fight for the very existence of their world and face the harsh truths behind their own powers, all the while discovering what it truly means to be a hero.
English: Yuki Yuna is a Hero
Synonyms: Yuki Yuna wa Yusha de Aru, Yuuki Yuuna is a Hero, YuYuYu
Status: Finished Airing
Aired: Oct 17, 2014 to Dec 26, 2014
Season: Fall 2014
Studio: Studio Gokumi
Duration: 24 minutes
External Links: MyAnimeList