This is a page prepared for each user ID.
-Account Information
・You can confirm, change, and delete you account information (nickname, User ID, etc..) from the Niconico Account Setting Page.
・You can change your country, introduction text, avatar from the "Change Profile"
*You cannot change your birthdate and gender
・You can change your email address from the Change registered email address.
・You can change your password and secret question from the Change security.
・You can change your privacy settings from the Privacy Settings.
・You can delete your current account from Withdraw from Niconico.
*You cannot regain your account once it has been deleted.