【Updated: 】
If you cannot make an Inquiry from within the app, please contact us at the following email address:
fire-emblem-heroes-support@nintendo.co.jp
Notes:
・ If you have linked your save data to your Nintendo Account, we recommend contacting us using the same email address you used when registering your Nintendo Account.
・ Please include your Identity-Verification Code in the body of your e-mail.