We developed a fully customized ERP system for JC EDU, the No.1 preparatory academy for dental and medical schools in Korea. Tackling the academy's deeply complex academic policies, we translated these into a coherent system structure and user experience. Our team led the overall planning and UX design, working in close collaboration with an external development partner. The platform supports a wide range of operational functions—including admissions, class scheduling, and student management—while maintaining clarity and usability in a policy-heavy context. The system is under continuous enhancement to reflect real-world needs.