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.
All kinds of unmanned weapons 
across the globe are being activated.
كلّ الأسلحة ذاتيّة العمل حول العالم
تتحرّك من تلقاء نفسها
Diverse unbemannte Waffen aller möglichen
Länder aktivieren sich von selbst.
Tutte le armi senza manovratore dei vari Paesi
 iniziano a muoversi di testa loro...
Todos os tipos de armas automáticas,
no mundo todo, estão sendo ativadas.