"Will you become my teacher?" After the incident in the Southeast Asia Union (SEAUn) in 2116, Shinya Kogami continued his journey of wandering. In a small South Asian country, Kogami rescues a bus carrying refugees under attack by armed guerrillas. Among them is a girl who introduces herself as Tenjin. Tenjin pleads with Kogami to teach her how to fight so she can seek revenge. At the edge of a world with no exit, what vision of this world will a girl seeking revenge and a man who has finished his revenge witness...?