> Unfortunately, I got the same output as Wilfred at present
> but it is splended if XeTeX can handle vertical writings
> correctly.
I've obtained the same output as Jonathan's.
\fontspec[Mapping=tex-text,RawFeature=vertical,Script=CJK]{Kozuka Mincho Pro-VI}
was also ok.
(revision 548 on Windows)
Best regards,
Akira