Feh Pass is valid for one month after subscribing. You can check your Feh Pass subscription status and validity period through the Google Play Store by following these steps:
■ How to check your subscription status:
1. Tap the Play Store icon on your device.
2. Tap the menu icon on the Play Store, then tap Subscriptions.
3. Tap the Fire Emblem Heroes icon to check your subscription status.
・ Subscription validity period cannot be checked in-game.
・ As option names and other wording may vary depending on your OS version, please contact the Google Play store for the latest information.