Part 4/8:
As the plot thickens, a series of gruesome murders unfold within the school, with Ensu realizing that the masked ghost, Sahi, is enacting her vengeance on those who had tormented her. The narrative cleverly intertwines the backstories of the ghosts and the living, revealing the complex web of bullying that led to Sahi's tragic fate. Ensu becomes increasingly embroiled in the violent events as his classmates begin to disappear one by one, each meeting a dark end orchestrated by Sahi’s grieving spirit seeking retribution.