Do you have installed YggDore Sky Gate Toolbar ?
If you have installed YggDore Sky Gate Toolbar, you are able to click "login" button on the toolbar and login to your account page.

In the page, you are able to change password, e-mail address and delete the account.

If YggDore Sky Gate Toolbar has not been installed yet, please install from here.
Login interface URL
When you use YggDore Sky Gate Toolbar and login various outside services, please set the following URL in the toolbar's preference.
Copyright 2009 YggDore Co.,Ltd. All rights reserved. - Home