Pyramid Game
The Mastermind of the Pyramid Game (1x2)
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Soo-ji is determined to figure out the characteristics of her classmates and the mastermind behind the Pyramid Game. She also tries to join forces with other girls who seem vulnerable. She even asks her homeroom teacher for help, only to be disappointed. Meanwhile, the 14th Pyramid Game begins, and Ja-eun, who kept skipping school, shows up.