A resident of Akagicho, high-schooler Yamato finds himself locked up after starting a fight. His classmate, Teru, appears and makes him a deal. In exchange for getting him out of jail, he wants Yamato to take on a job for him. Yamato and his rival, Ryugo, head for the designated spot, but are set upon by thugs Teru riled up. When the two teens win the brawl, Teru takes them underground, where the boys are in for the shock of their lives.
This Rogue is a Megaton Musashi, a 
combat mech which you will pilot.
Dieser Rogue ist Megaton Musashi,
ein Kampf-Mech, den ihr steuern werdet.
Este Rogue es un Megaton Musashi,
el robot de combate que pilotareis.
Questo è un Megaton Musashi.