If you are using Nintendo Switch:
1. Open the Nintendo eShop.
2. Click on your user icon at the top right of the screen
3. Select Usage Status and click Turn Off Automatic Renewal
If you are using iPhone, iPad, or iPod touch:
1. Open the Settings app and select your account (tap your name and Apple ID at the top).
2. Select Subscriptions.
3. Choose the subscription you want to manage.
4. Tap Cancel Subscription.
If you are using Android:
1. Open the Google Play app.
2. Select the profile icon in the upper right.
3. Select Payments & subscriptions → Subscriptions.
4. Select a subscription to cancel.
5. Select Cancel subscription.