Derrida and Yuri enter a room that is a replica Mage's home on her 8th birthday, which Mage had set up to trigger vivid memories. They see a note instructing Mage to watch a video of her past self, and Derrida realizes that his time rides came at the cost of Mage's memories, not his own as the Trout Theory states, due to her creation of Ange. With the world about to be destroyed, Derrida makes one last time ride back to the day of Mage's 8th birthday party...