Overview: The club is looking for the culprit of the mysterious, threatening letter. All face their crisis.
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First Air Date: Oct 11, 2017Last Air date: Nov 16, 2017Season: 1 SeasonEpisode: 12 EpisodeRuntime: 66 minutesQuality: HDIMDb: 8.10 / 10 by 14 usersPopularity: 17.442Language: Korean