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

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

If Apple billed you for a SuperGrok subscription and you want a refund, visit reportaproblem.apple.com to request it. Canceling the subscription in iOS settings stops future charges but doesn’t automatically refund what you’ve paid