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Today, just like every day, she comes into the girl’s room. Though she wants to sleep, footsteps soon approach, the soft sounds and creaks sending a chill down her spine. Who is this terror, and what does she want?
Two days ago something happened to Seong-Won while visiting his friend Hyo-Jun's house, something that caused him to not sleep since then. Will a meeting on the train with Hyo-Jun's older sister reveal what happened?