The episodes introduces all the major characters and the world. In the episode Robin arrives to STN-J as a replacement for another hunter. It is revealed to Amon by Zaizen that the new replacement is a craft user. Robin arrives to the entrance of STN-J, where she learns that Amon is no longer in the building. No one knows who she is, so to wait for Amon, Robin visits the local café. She bumps into Amon while leaving the café, but neighter know each other. Later the Haruto and Amon are sent to deal with a witch in a warehouse, but are having hard time dealing with him. Robin arrives to the warehouse while Zaizen and Dojima observe Robin work. Robin takes down the witch with her craft while Karasuma shoots the witch, knocking him out. Robin is suprised to learn, that instead of killing the witches, the STN-J sends them to a place called Factory.