A tale depicting the root of the animosity between Shā Wú Shēng and Lǐn Xuě Yā, prior to the events of the show.
The cunning thief hires the bloodthirsty swordsman as a bodyguard. Together they will challenge the Sword Arts Assembly…
Based on the spinoff novel, with a screenplay by Gen Urobuchi.
Also includes an all-new story about Shāng Bù Huàn and a prologue that will lead into the second season.