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?