You cannot edit the content of the fan letter you already sent. You cannot change who gets the fan letter after you have already sent it. You can delete the fan letter you already sent.

You can delete your fan letter by following the steps below:

※ Mobile APP
- A community you joined -> my profile -> Fan Letter tab -> Fan Letter viewer -> "More" button on the right side -> Delete button

※ PC WEB
- A community you joined -> Artist tab -> Fan Letter -> Fan Letter viewer for fan letters that were sent -> "More" button on the right side -> Delete button

* The fan letter voucher you used to send the fan letter will not be restored when you delete a fan letter.