【Changes in registered information】 
Q. I want to change my registration information.
You can change your registered information by accessing MY PAGE in User Support.
Please note that you cannot change your name, date of birth, or gender.
Q.Can I change my password?
Yes, you can change your password. Please choose a password made up of 6-12 alphanumeric characters. Your password cannot be the same as your membership number.
※To prevent unwanted access, please refrain from using your date of birth or telephone number. Please take care to ensure that your password is not lost, or used by a third party.
Q.Can I change my registered name?
Unfortunately you cannot change your name. This is true even in situations where your family name is changed. Thank you for your understanding.