Aizen Sousuke might have sneezed, if sneezing benefited his plans.

"Mm-hmm! And information about this world!" Robin said, with a slightly wider smile than before. "Ah, you see, it has a quite thorough history that well predates our arrival. We're as new to this as the people here are new to receiving us--well, er, sort of." The previous Heroes of Light were a bit of a wrinkle in that. "Unfortunately, the books just give me more questions..."