In addition, some of the additional information other than the required information for membership can always be viewed, modified or deleted. Changes, deletions and withdrawal of members' personal information are available after logging into our customer center.<br> <br> <br>6. Operation and Rejection of Cookies<br> <br>A. Purpose of using cookies<br>① The Company uses 'cookies' that store and retrieve information about users in order to provide personalized services.