Dear sirinapa jantra,
Thank you for your reply.
As we mention on our website, reservations start three full months in advance from the current month, thus we cannot confirm your reservation at this time.
Please send us a new reservation form after the 1st of December.
http://backpackersjapan.co.jp/english/reservation.html
Thank you for your understanding, and looking forward to hearing from you again soon!
Best Regards,
Guest House toco.
Staff Yu