1Q84 Book 1: April - June by Haruki Murakami

"The Little People? " Aomame asked gently, peering at the girl. "Tell us, who are these ‘Little People'?"

But having pronounced only those few words, Tsubasa's mouth clamped shut again. As before, her eyes had lost all depth, as though the effort of speaking the words had exhausted most of her energy.