: Shido is stabbed, triggering Tohka's "Inversion".
: Guided by Kurumi, Shido goes five years into the past to prevent the fire that killed Origami's parents. He also encounters the mysterious Spirit "Phantom," who appears in the form of Rinne Sonogami. Season 4: " Nightmare's Seduction " Date a Live Episode 9
: Following a failed rescue mission into DEM Industries, Miku's backstory is revealed. The episode is notorious for a "Mexican standoff" and production issues where some animation frames were repeated or cut. Season 3: "Changes" : Shido is stabbed, triggering Tohka's "Inversion"