From their Terms: contact NAMCO BANDAI’s Customer Service Department at www.NamcoBandaiGames.com/Support to cancel your account. NAMCO BANDAI reserves the right to collect fees, surcharges, or costs incurred before you cancel your account or a subscription to a NAMCO BANDAI Service.
In the form, of course the platform is of less importance. If not pre-filled, then always fill in the data equal to the data in your account (especially full name and email).
URLS:
http://www.NamcoBandaiGames.com/
http://www.NamcoBandaiGames.com/Support
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