Undercover High School

Name: Undercover High School
Uploaded: 2025-10-10T00:00:00Z
Duration: 1 h 2 min 59 s
Description: Jeong Hae-seong, a top NIS agent, fails another mission and is subsequently demoted. The main character goes undercover at a high school while searching for the missing treasure of King Gojong. There, he meets teacher Oh Soo-a, who sees him as her long-lost love.

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