The Heavenly Idol

The Evil One's Emergence (1x4)

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Woo-sil's voice suddenly doesn't come out when he's up on the stage. Lembrary realizes that it was The Evil One's doing. Later, Lembrary finds out that Yeon-woo was involved with a religious group called Hongwoodaedae, and he tries to figure out what the group does. Meanwhile, dating rumors about a member of Wild Animal break out.