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About this Title
Mysterious black circles have started appearing all over the world, and whoever falls in doesn't come back out. Then one day, a black circle swallows an entire school and everyone in it, turning it into a twisted maze of nightmares. Will Doyun and his classmates find a way out? (Source: WEBTOON)
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AniList 71
StudioUnknown
Sourcesync:anilist
Episodes1 eps
Aired2025
Rating71 AniList
HorrorThriller