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Happiness

Premiered: May 30, 2025 | 1 seasons | 12 episodes

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Popularity: 2

Creator: Han Sang-un
Details
In a post-COVID world, a mysterious drug called “Next” sparks a terrifying outbreak of madness. As violent deaths rise, detective Prap reveals a chilling link between the chaos and the drug—uncovering a conspiracy far darker than expected.
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