Min-Jeon's mother marries a japanese man and together they decide to move from Korea to Japan. Kim, or rather now Watanabe Min-Jeon dislikes the new country and wants to return to the old days he spent with his mother in Korea. On his first school day he accidentally eavesdrops on a conversation between a teacher and a classmate. This classmate turns out to be in a delinquent group which consequently turns Min-Jeon's school-life into hell.
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