“There has to be an end somewhere. It’s just that nothing’s labeled ‘This is the end.’ Is the top rung of a ladder labeled ‘This is the last rung. Please don’t step higher than this’?” Aomame shook her head. “It’s the same thing,” Tamaru said. Aomame said, “If you use your common sense and keep your eyes open, it becomes clear enough where the end is.” Tamaru nodded. “And even if it doesn’t”—he made a falling gesture with his finger “—the end is right there.”