It can be found in the Order History page of the Red Candle Eshop.
This account is the one used for purchasing the game or other digital content.
By selecting the option above, you acknowledge that once your account is deleted, it cannot be restored and you will no longer be able to view or download any purchased content associated with that account.
It can be viewed in the lower left corner of the main menu; it is the 12-digit number following "Ver."
If the text is too long, please provide it as an attachment.
If free, please insert "free".
Please include the URL or provide it as an attachment.