PHUndercover High School 2025
Jung Hae Seong is an ace field agent for the National Intelligence Service (NIS). After a big incident occurred during an operation, Jung Hae Seong receives a demotion. He is placed into an operation to locate the whereabouts of King Gojong’s missing gold bars. For this assignment, he hides his identity and goes undercover as a student at the prestigious Byeongmoon High School. There, he meets Teacher O Su A as his homeroom teacher.
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