We accept inquiries 24 hours a day, but responses will only be given during business hours.
[Business hours] Monday to Friday 9:30 to 17:30 [Closed] Saturday, Sunday, public holidays, New Year's holidays

Please note that it may take some time to respond depending on the content of your inquiry, holidays (Saturdays, Sundays, public holidays, New Year's holidays), business hours, etc.
It may take up to two months for your delivery to be stopped or for your registration details to be changed. If you are moving, please contact us as soon as possible.