OnePNU is an integrated service for students of Pusan ​​National University. From the academic calendar, you can use the school homepage, community, and campus map in one app. * Users can remove advertisement banners through in-app purchase. In-app purchase does not require any other payment, and even if you do not make in-app purchase, you can use all the features of the app. main function : 1. You can see the academic calendar synchronized with the school homepage. 1.1 Synchronization of