An EX-ARM auction is organized by an individual who calls themselves "Auctioneer." Criminal groups from all across the world flock to the Megafloat hoping to get their hands on them.

The Counter Squad is asked by the government to investigate the auction undercover as the bodyguards of Jinkokusha, the leading group in the Japanese underworld. They are immediately dragged into an inter-group conflict, and Akira loses consciousness in combat. When he wakes up, he's greeted by Auctioneer.
Grandfather said he's leaving the rest to me.
قال جدّي أنّه سيترك الباقي لي
Großvater hielt fest, dass der
diese Angelegenheit mir anvertraut.
El abuelo me pidió
que me encargara de todo.
El abuelo me ha pedido
que me encargue de todo.
Grand-père m’a confié
la suite des opérations.
Il nonno
O vovô disse que está
deixando o resto comigo.
Дедушка сказал, чтобы
дальше я разбиралась сама.