"Friendly Rivalry" features mystery and academic competition

"Friendly Rivalry" features Hyeri, Chung Su Bin, Kang Hye Won, and Youngjae in a mystery thriller set at Chaehwa Girls’ High School. The story revolves around academic competition and the disappearance of a student, Jae Na. In recent episodes, characters gather at a club after receiving a call about Jae Na's location. Tensions rise as they confront hidden ambitions and connections to a past tragedy involving Seul Gi's father. New developments reveal relationships among the characters and details about Jae Na's situation. The series releases episodes four times a week, keeping viewers engaged with ongoing mysteries.