Marvel wrote:

> Can anyone direct me to the source of a kitchen sink?
> 
> I have looked at the power centers and everywhere I can imagine.
> No luck
> 
> It seems nobody has ever bought a sink in Osaka before

In northern Kanto, we have Cainz Home (which I know has stores as far 
south as Aichi), Komeri (which may be a Kanto + Tohoku chain), and 
Joyful Honda.  All of them have building centers with whole rooms filled 
with sinks.

Alternatively, you could Google for the major manufacturers' web (Inax, 
Toto, Eljer, American Standard, National, CleanUp, etc.) sites and see 
who handles them in your area.

CL