To delete your Crunchyroll account, follow these steps:
Go to Crunchyroll's website and sign in to your account
Click on the "Settings" icon in the top right corner of the page
Select "Account Information"
Scroll down to the bottom of the page and click on "Delete Account"
Read the warning message and if you're sure you want to delete your account, click on "Delete Account" again.
Enter your Crunchyroll account password and then click on "Delete Account"
Please note that deleting your Crunchyroll account is permanent and cannot be undone. Also, if you subscribed to Crunchyroll through a third-party service like iTunes or Google Play, you will need to cancel your subscription through that service as well.