Follows Ji-woo, an outsider in a renowned private high school, as he befriends security guard Hak-sung and asks him to teach him maths. However, their friendship is put in jeopardy after a school event.
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Follows Ji-woo, an outsider in a renowned private high school, as he befriends security guard Hak-sung and asks him to teach him maths. However, their friendship is put in jeopardy after a school event.