GOMS was created for the following purposes:
1. The student council students have to manually check the students who have left,
2. If unchecked students are late, it is impossible to see at a glance who was late.

GOMS provides the following features.
1. Search function for currently out of school students
2. TOP 3 search function for tardy students
3. Automatic blacklist function for students who do not return by 7:30
4. QR code scan, QR code creation function
5. Search the entire list of students, change student authority
6. Cannot scan invalid QR codes