Episode Title:
Demon King of Descending Darkness.
Episode Description:
Origami makes a deal with Kurumi to send Origami to the past to prevent her parents' death using her untested Twelfth Bullet: Yud Bet. Once there, she confronts Phantom and attempts to kill her, just to later discover that it was one of her own attacks that killed her parents, and the Spirit that was the source of her revenge was none other than herself, much to her despair. Returning to the present, fallen into her Inverse form
, an emotionless Origami attacks the entire city including the hospital where Shido and the other Spirits were recuperating. Despite the Spirits and Fraxinus' backup, Shido finds his voice can no longer reach Inverse Origami as she is now dead to the world. Kurumi realizes that the current Origami can no longer be saved and thus sends Shido five years earlier hoping that he could change the past.
