This also was posted to the kuro lj comm, no conformation that this is the new servant and butler but it could be...
There is the lj post, basically its alot of what we already know but there a few things. I do find it funny that the girl didnt know who Sakurai was!!! In the post it does say the possibility of Sebby/Ciel is pretty much none since special footage was created by Toboso Yana where Sebby is alone.
http://community.livejournal.com/kur...l?view=7340108