2nd year, Class 3 at Sejeong High School. Part of Park Seung-tae and Jang Hyung-sik's group. A perpetrator of school violence.

The son of the Alumni Association President. He, along with his lackeys Jang Hyung-sik and Oh Hak-soo, relentlessly bullies and assaults Park Jung-min, a transfer student, claiming he smells like raw fish. He treats Hyung-sik and Hak-soo as mere underlings.

A victim of school violence at the hands of Park Seung-tae, Oh Hak-soo, and Jang Hyung-sik.