Going to Japan - Searching for Japanese bull

My girlfriend and me will be sent to Japan end of this year of beginng next year.
As over here in Germany, my gf likes to have a real men for her sex life.
And being in Japan it should be a well built Japanese man.
So erect I am 4 inches long and thin.
Big for her means from 6 inches up and thick.
I like to talk to the permister the next months, so we can make contact via e-mail to learn something about each other.
Are there big Japanese men out there who were interested?
e-mail is: [email protected]
Thanks and
Cheers
laga.