One of his brood hasn't replaced him.

How fortunate. I was worried, after all.

((OOC: Yeah, uh. He spotted Toshi, and was worried that she was... y'know, related to the Yamamoto he knows. The Yamamoto that happens to be, like, criminally retarded. Who he would probably execute as a public service, were he not so useful to the Vongola. :| ))