These are administrators who manage entire cybozu.cn.
These administrators configure common settings used in cybozu.cn such as managing user accounts and configuring the password policy.

cybozu.cn Administrators are selected from users who have been added to cybozu.cn.
Changing cybozu.cn Administrators

This is a special account that is automatically registered by the system when you start using cybozu.cn.
The Administrator is used with the Data Migration Tool. For this reason, it cannot be used as a user.
What Is the Administrator?