While waiting for school to start, Nagato detects an unusual amount of data being produced, to which she goes and investigates. Upon further investigation, she comes in contact with a abnormal interface. What will happen when both parties endeavor to explain to each other what data is correct.

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Kyon is just a normal Sangheili, leading a normal life on Sanghelios. His life, though, is turned upside down when his classmate, Suzumiya Haruh ee, drags him into the Special Operations Sangheili Brigade SOS Brigade ...

The Insurrection has been going on for a while. 1st LT Suzumiya Haruhi is bored fighting the same old things, over and over again. Then, a chance for her squad dubbed the SOS Squad will see them on their first alien contact...