"Ah, well... some of them might be difficult to describe. I suppose you'll probably encounter the boy I mentioned, Rin, soon enough... apparently, he was training to be an exorcist back home. He's a pretty enthusiastic kid, but he can be a little stubborn sometimes. And... Henry, you'll definitely have to meet. He's..." Ginko hesitates for a moment. "...it's difficult to explain. But he's... pretty much my brother."