Log in to your Crunchyroll account at https://www.crunchyroll.com/
Go to Account Settings
Select Billing or Subscription
Choose Cancel Subscription
Confirm the cancellation
Verify the cancellation status on the same page
If you subscribed through a third party (Apple App Store, Google Play, Amazon), cancel through that store’s subscription settings instead of Crunchyroll
Check your email for the cancellation confirmation
Keep a screenshot or record of the cancellation confirmation for your records