"Usually manga gets its own section or sections in book stores, so if you're not looking for it, you probably wouldn't find it..."

The pause is distracted, not dramatic; he's actually making an attempt to look at the menu for longer than half a second. He'd gotten as far as realising this was full-on kaiseki (and would therefore take more than that half-second of attention) before now; he doesn't want to make Hades wait for the next thirty minutes while he explains television programming. Not when he knows that a break in the conversation doesn't necessarily mean losing his platform.