"ON Kookmin" is the official mobile portal app of Kookmin University. By integrating key information of the school and various services that can be used by members of the school (portal, communication, mobile ID, chatbot, etc.), you can easily use it with one app. * Login method: Create an integrated ID on the Kookmin University portal and log in (https://portal.kookmin.ac.kr) 1. Portal service: We provide mobile services with menus frequently used by members such as contact information change/