In the aftermath of the blast caused by the impact of the Arrowhead Comet triggered by the Magic God High Priest, the windows in Kamijou's apartment unit are shattered, and Touma is forced to brave the cold of winter while being confronted by Index and Othinus about bringing in another freeloader into his house. This newest addition to the apartment unit is none other than the Magic God Nephthys, who shipped herself in a box earlier.