Purchase an extra ticket Additional Banquet Ticket: If you are bringing a guest who is not registered for the conference, you may purchase an extra ticket.26,000 JPY per personThis cost includes access to the Welcome Party, Excursion, and Banquet for one additional person who is not officially registered for the conference.Information on Excursion can be found here. NOTE: Due to technical reasons, credit card payments will be available in a few days. Please check back later. The conference successfully ended. Purchasing closed.