Ignoring someone immediately after they told you to do so still seems a little...rude. But wouldn't it be equally as rude to disturb him if he was reading? Regardless, Morishige doesn't puzzle over it for too long, because he actually does have something to say that isn't meaningless banter.

"If it won't be too much trouble, a question?" he asked. "Are you a new student here? I'm not familiar with the layout of this library, and I don't fancy wandering around all evening trying to find the section I'm looking for."