Purpose of collecting and using personal information
① Use of personal identification services according to service use
② Delivering notices and securing communication channels for handling complaints.
③ Other smooth and high-quality service provision, etc.

Items of personal information to be collected
① Name, email address, IP information, and other selections

retention and use period of personal information
① Information prepared by the author himself can be deleted immediately when the post is deleted, and personal information collected on the bulletin board is not deleted separately.