Yuki Yuna wa Yusha de Aru
What is Yuki Yuna wa Yusha de Aru about (plot, summary)
The story takes place in the era of the gods, year 300. Yūna Yūki lives an ordinary life as a second year middle school student, but she's also a member of the "Hero Club," where club activities involve dealing with a mysterious being called "Vertex".