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

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

If Apple billed your SuperGrok subscription and you want a refund, go to reportaproblem.apple.com and sign in with your Apple ID. Find your subscription under iOS Subscriptions, then request a refund from there