Yuki Yuna is a Hero: The Washio Sumi Chapter
Yuuki Yuuna wa Yuusha de Aru: Washio Sumi no Shou 1 - Tomodachi
Yuuki Yuuna wa Yuusha de Aru: Washio Sumi no Shou 2 - Tamashii
Yuki Yuna is a Hero - Churutto!
