The story of the play, as with all the previous versions, depicts the Pearl Harbor Descent Mission on December 8, 11941, a prequel to the NieR:Automata video game.

A side story of the original Kara no Kyōkai - the Garden of sinners movie series divided into 2 parts. In the first part, Shizune Seo, who finds her life too predictable due to her precognition, and Mitsuru‎ Kamekura, who uses his precognition to be a professional bomber, meet Mikiya and Shiki, respectively, and their futures begin to change. In the second part, 10 years after the original series, Shiki and Mikiya's daughter, Mana Ryōgi, spends a day with Mitsuru.

One year has passed since Guts left the Band of the Hawk and Griffith was imprisoned by the Kingdom of Midland for treason. In the dead of night, at a camping site where they hide, the Band of the Hawk is attacked by Bakiraka assassins led by Silat. When all seems lost, Guts returns from his journey. "You destroyed everything." Crying that Griffith is nothing without Guts, Casca and Guts are joined together body and soul. Griffith is imprisoned in the oldest building in Wyndham Catle, the Tower of Rebirth.