Akira has returned alive after defeating Beta, but soon Tokyo is targeted by a large-scale hacking attack. He dives into the network along with Ygg's clones to figure out the cause, and fights the enemies within, but in the meantime the hacking spreads to the entire world.

It takes over military bases and fires a volley of ICBMs, seeking to destroy the entire world. In order to save humanity, Akira makes a decision born of love.
Alma, we'll clean all this up 
with parallel processing.
آلما-تشان، سننهي كلّ هذا بالمعالجة الموازية
Alma-chan, räumen wir die mit
paralleler Datenverarbeitung auf!
-Alma, usemos computación paralela.
-Bien.
-Alma, usemos computación paralela.
-Bien.
Alma, on les abat tous un à un.
Alma, facciamone fuori il più possibile
 attaccando in parallelo!
Alma, vamos limpar tudo com
um processamento paralelo.
Альма. Нам поможет
параллельная обработка данных.