Please check the following cases.
You are currently registered for Zaiko Connect semi-annual subscription (2,900 or 3,000 JPY tax included) or Zaiko Premium monthly subscription (600JPY tax included).
You can check the subscription status from the account settings page.
Is there a possibility that your Family, friends, or colleagues use your credit card?
You have purchased the ticket with different account you have.
This can be seen often that customers purchased the ticket with a different account If having multiple e-mail addresses.
Please check if you have created another Zaiko account or SNS account that is different from the account you are currently logged in to.
For security purposes, Zaiko cannot provide details to anyone other than the ticket purchaser.
If you cannot identify the user, please contact your credit card company.