If Apple billed your SuperGrok subscription and you want a refund, visit...

https://www.animenewsnetwork.com/bbs/phpBB2/profile.php?mode=viewprofile&u=1221249

If Apple billed your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request it directly. Go to the iOS Settings app, tap your name, then Subscriptions to manage or cancel