You want get a Tattoo, and you're in Tokyo.
But you don't really know where to go?!
I have an answer for you ...  GARYOU TATTOO ARTIST.
Speak japanese, french and english.
Located in Tokyo, and in Saitama.
Specialist in Wabori (original japanese style tattoo) but can also do western style.
Interested?
So just have a look here :
http://garyou-tattoo.deviantart.com/
https://www.facebook.com/Garyou1975
And feel free to contact me! I'll tell you everything!