"It was a -- spur of the moment thing," Yamato says, ducking his head. "Since he was trying to kill me at the time."

He eases his chair towards the window a little, pointing to a square island a little ways north-east of Odaiba, with a crowded cluster of buildings on it and what looks like a runway dotted with a few planes stretching down one side.

"Over there, just off the coast of Urayasu."