You can change your email address information yourself.
ログイン後、
MY PAGE内【会員情報の確認・変更＞編集する】からお手続きください。
A "change confirmation email" will be sent to the new address you registered, so please access the URL in the email to confirm the change.
＜Request＞
When completing the procedure, please be sure to access the site using a browser (Safari/Chrome).
In-app browsers (Yahoo! JAPAN app/Google app) are not guaranteed to work.
*If you do not receive an email, please check the help section below.
If you are unable to make changes, please also read the help below.