Yuuki Yuuna wa yuusha de aru: Washio Sumi no shou dai-1-shou 'Tomodachi' (2017) online

Yuuki Yuuna wa yuusha de aru: Washio Sumi no shou dai-1-shou 'Tomodachi': It’s the story of the tiny heroes and how they came to be where they are in the first season.It’s the story of three heroes. A fairy tale of how those girls were chosen by God. Because how many times are innocent girls seen by God?