"Affirmative." There was a pause, and then KOS-MOS added, "I do not believe the problem originated with the damage I sustained on Fifth Jerusalem, Shion." Although it was absolutely reasonable speculation, there was just... something that said otherwise.

Irrational. Her programming spun off a subroutine to identify the source of that idea, unable to determine which process spawned it. Odd. Disturbing. Had she sustained damage her internal diagnostics were unable to pinpoint? "However, I believe an extra maintenance session would be advisable." If she could not locate it, surely her creator could.