Haruhi and her friends create the SOS club, a group dedicated to discovering supernatural beings, in order to keep Haruhi happy, preventing her powers unknown to her from destroying the universe.
When the SOS Brigade receives an urgent message that the Computer Research Society's president has gone missing, Haruhi confidently promises to locate him, and the SOS Brigade is off!Of course, they have no idea where to start...Is the new SOS Brigade insignia that Haruhi designed to blame for all of this???