Riku is suddenly kidnapped from STORAGE HQ. Haruki and the others rush to his rescue but a formidable enemy appears. Z and Geed are put in an impossible situation. What will happen to them? Plus, the hero shows up late?

The New Generation Heroes head for Planet Tenebris to save Zero and Grigio, who are trapped there. But old, powerful enemies and the Darkness Copies back them into a corner. How will they break through?