Bloody Game
Episode 9 (1x9)
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Tae-kyun can't understand why Na-yeong had to get rid of the toilet paper in the basement and keeps bringing it up. DEX, Ji-min, Jae-il, and Seo-hyun go down to the basement floor. Seo-hyun somehow knows the truth about the fake rules of the basement floor. The last team competition between the ground floor and basement floor starts.