This site is Double H's website since 1996. Now this site is re-constructing. Therefore, the content in this site has been simplified for a while.
These contents are composed only of Japanese and doesn't target the person who cannot understand Japanese.
When you want to contact with me, send E-mail to the following address "contact [at] double-h.com" in Japanese.
Even if you sent the mail written not in Japanese, I don't read. Write the mail to me in Japanese.