Arm Slave pilot Sousuke Sagara enters the most dangerous battle zone of his career, high school, in order to protect the young Whispered, Kaname Chidori.

Sousuke Sagara accepts his mission to protect Kaname.

Tessa wavers uncertainly before ordering an attack on the Whispered Research facility; Sousuke, Mao, and Kurz tail a suspicious-looking character that has crept into Kaname's apartment.

Kaname's plane gets hijacked by terrorists led by Gauron; Sousuke is frantically formulating a rescue plan when he feels the cold weight of a pistol pressed to his temple.

When Kaname and Sousuke find their escape from the terrorists blocked, Sousuke uses a Savage to begin an AS battle; The skirmish is interrupted when Gauron executes a perplexing move.

Sousuke suggests that Kaname should flee on her own; Kaname refuses, but manages to save all three of them.