Akira is taken to Tokyo LAG, where Hako has her own agenda concerning her. Grunbach launches an all-out invasion of the capital of Tokyo. Okazaki, anticipating such an attack, initiates her plan to counter the threat.

The war with the Nightfly O'Notes is not yet over, but having lost their friends, the grieving Akira, Yosuke, and other Scar-red Riders have a difficult time navigating the healing process to get back on their feet.

A new foe appears before Akira and the Scar-red Riders. Despite the shock of seeing this new foe, the group returns to Ryukyu LAG to mount a last-ditch effort. While Akira is getting ready, a familiar face shows up.