The Spy Life in the Demonic Sect 
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Description
Iseo Jang, the Murim Alliance’s prodigy spy, has spent 14 years deep undercover in the Demon Sect, earning the ruthless title of “Rabid Dog” for his work as their counterintelligence agent. But his newest mission is his most absurd yet: make the Sect’s laziest, most notorious delinquent -- Wu Ma -- the next Cheonma.
To pull it off, Iseo ditches his post and applies to be Wu Ma’s official aide. In a world of betrayal, martial arts, and political games, can even a talent like Iseo turn a hopeless young master into an heir? (Source: LINE Webtoon)
Original Webtoon:
Naver Webtoon, Naver Series
Type
Manhwa
Related Series
N/A
Associated Names
A Spy's Survival in the Demonic Cult
密探的魔教生活
間諜的魔教日常
첩자의 마교생활
Groups Scanlating
Latest Release(s)
c.10 by LINE Webtoon 2 days ago
c.9 by LINE Webtoon 1 week ago
c.8 by LINE Webtoon 2 weeks ago
Search for all releases of this seriesStatus in Country of Origin
38 Chapters (Ongoing)
Completely Scanlated?
No
Anime Start/End Chapter
N/A
User Reviews
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Average: 5.5 / 10.0 (7 votes)
Bayesian Average: 6.1 / 10.0
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Last Updated
August 28th, 2025 7:07am PDT - 2 weeks ago
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Genre
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Category Recommendations
Recommendations
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Author(s)
Artist(s)
DALGON [Add]
Year
Original Publisher
Serialized In (magazine)
Naver Webtoon (Naver)
Naver Series (Naver)
Licensed (in English)
Yes
English Publisher
Activity Stats (vs. other series)
Weekly Pos #832 
(-29)
(-29)Monthly Pos #1409 (-127)
(-127)3 Month Pos #2539 (-555)
(-555)6 Month Pos #3196 (-375)
(-375)Year Pos #4088 (-2362)
(-2362)List Stats
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