You can terminate membership by using [My page] - [Terminate] at the upper right.
You can recover your password through an email verification [forgot password] at the upper right.
If you forgot your ID, please call 070-7422-0359 and we can help you recover it.
First login, then make the changes under "my page." IDs may not be changed.
You can sign up for free. Click the button on the top right that says [Sign up]
You can also login with social media accounts.