Driven by her resolve to erase the Spirit of Origin from existence, Kurumi is fighting a battle of her own. And at long last, the identity of Phantom is revealed.

Kotori and the others gathered on the bridge of Fraxinus learn that Kurumi has traveled back in time 204 times to try to save Shido. Shido also tries to search his memories to learn who Mio Takamiya is, but...