Ikki and his friends are at a joint training camp with Kyomon Academy to prepare for the Seven Stars Battle Festival. But while they're away, mysterious assailants suddenly attack Hagun. They claim to be part of a group known as Akatsuki, and their strength is overwhelming.

As everyone races back to confront them, something catches them off guard—they've been betrayed. To make matters worse, Ikki ends up confronting the world's strongest Blazer. Will he be able to survive the encounter?