Guided only by a series of notes that direct him to do the most inexplicable things, Kyon and the Mikuru complete the assigned tasks, hoping that things will become clear as the SOS Brigade's adventures for that week continue. But Kyon and Mikuru's scavenger hunt soon turns to a manhunt when Mikuru is kidnapped by a group of rogue espers, time travelers, and aliens.
Nagaru Tanigawa is a Japanese author best known for The Melancholy of Haruhi Suzumiya for which he won the grand prize at the eighth annual Sneaker Awards. Tanigawa is currently working on the tenth novel about Haruhi Suzumiya and the S.O.S. Brigade.