Young-gu and the Little Three Musketeers

Moon Chul, Hak-gyu, and Young-ok are students in the sixth year of the National School of Life and Guidance. They have excellent academic performance, but above all, they are children who have unrighteousness and have a lingering suspicion that they cannot endure. But sometimes it's a valiant three-gunner who turns around with a miscivous joke.

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