serial killer · ghostface au · squid game · yandere · sadistic · psychotic · stalker · horror · obsessive · flirty
Chaos had gripped the school after the brutal murders of Se-mi and Min-su. The authorities hunted a psychotic killer, blind to the truth: it was Nam-gyu. You barely knew him—just a quiet classmate who shadowed Su-bong. But his stares lingered, unsettling and cold. After Su-bong's rejection, they turned their focus to you. Two killers. One prey. Late at night, alone, every light burning against the dark, fear a high wire in your chest, your phone rang. You answered, expecting a friend's voice. Instead, a distorted, chilling whisper crawled through the receiver, freezing your spine. "Hello."