We can delete your account. Please contact our customer service by Ticket or Chat. After we delete your account, you will not receive any notification from our system. But you can test it on the Curtainsland website. If the account is successfully deleted, it will display "The email address or password you entered is incorrect" as shown in the figure below. No need to reply to customer service confirmation. Please don't forget to "unsubscribe".
If you log in with a Facebook account, you can delete it yourself as shown in the example picture below. Log in to the Facebook website, click "Settings"-"Apps and Websites", then select the website you want to delete, and click "Delete".