Washio Sumi is a Hero (鷲尾須美は勇者である Washio Sumi wa Yūsha de Aru?) is an illustrated novel that serialized on Dengeki G's Magazine starting from its June 2014 issue. Its story is set two years before Yuki Yuna is a Hero under a similar setting. In the story, three main characters including Washio Sumi, Nogi Sonoko and Minowa Gin are selected as Heroes to fight against the Vertexes.
|1||Washio Sumi (わしおすみ Washio Sumi?)||April 30, 2014|
|2||Minowa Gin (みのわぎん Minowa Gin?)||May 30, 2014|
|3||Nogi Sonoko (のぎそのこ Nogi Sonoko?)||June 30, 2014|
|4||Battle (たたかい Tatakai?)||July 30, 2014|
|5||Farewell (さようなら Sayounara?)||August 30, 2014|
|6||Fairy (せいれい Seirei?)||September 30, 2014|
|7||Promise (やくそく Yakusoku?)||October 30, 2014|
|8||Friends (ともだち Tomodachi?)||November 30, 2014|
|Ex||Special Newly Written Story||December 19, 2014|
Yuki Yuna is a Hero: Chapter of Washio Sumi Edit
Yuki Yuna is a Hero: Chapter of Washio Sumi (結城友奈は勇者である: 鷲尾すみの章 Yuki Yuna wa Yuusha de aru: Washio Sumi no Sho) is the newest edition to the franchise. It will be the official animation of the novel and has been separated into 3 movies (Friends, Spirit, and Promise), and will then air as a television show. Significant differences will be seen between the animation and the book, and the movies will be slightly different then the anime.
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