Saw you post and I got curious. Your site may be compromised !
Either Google has made a tremendous blunder, which it does on occasion or you have a compromised site.
Too many sites with the same "Title" being displayed !
Pay close attention here.....
This is the title your site is showing in the serps....
Now with the use of Google translate....
Now when searching for this Japanese content on Google.
Let me also add this WARNING !
SOME OF THESE SITES ACTIVATE MY ANTI-VIRUS SOFTWARE AND ABORT THE CONNECTION.
DO NOT VISIT THESE SITES YOUR COMPUTER MAY BECOME INFECTED