[Out of nowhere, a skinny young man dressed all in black with short black hair drops down from the roof of the train platform]

I hear you're looking for information? I suppose we could work out a deal for something, though it doesn't look like you have much on you to trade...

[Looks a little disinterested, does a few quick calculations in his head then bounces back almost immediately]

Oh, well, I'm sure you'll be able to pay me back later. But where are my manners? I'm Izaya Orihara, professional info broker. What would you like to know?

[He bows theatrically and grins.]