Call of the Void chapter 10
"So, THIS," Kakashi said with far too much relish. "Is Kai Mikado. He's volunteered to be my Chunin assistant. Kai, it seems, is an EXPERT at training cute little Genin. He's been teaching Naruto for a few months now." Sasuke snorted. "Just because he can teach the Dobe a thing or two, doesn't m...