Five years ago, a Spirit killed Origami Tobiichi's parents. Spurred by the grudge that has only grown since then, Origami turns to DEM in hopes of becoming powerful enough to let her kill every last Spirit and enact her revenge. Can Shido stop her from harming Tohka and the other Spirits before it's...

Five years ago, a Spirit killed Origami Tobiichi's parents. Spurred by the grudge that has only grown since then, Origami turns to DEM in hopes of becoming powerful enough to let her kill every last Spirit and enact her revenge. Can Shido stop her from harming Tohka and the other Spirits before it's too late?