When 14-year-old Daichi helps a mysterious old woman, his life takes a terrifying turn. A black pen with a joker's face appears on his desk—and soon fuses into his skin as a tattoo. From that moment, Daichi is haunted by chilling visions, twisted illusions, and a laughing joker that wants his soul. With his mother Chihun, his troubled friend Gilbert, and a wise grandmother who knows more than she reveals, Daichi discovers the curse runs deeper than his family's past. Each night pulls him further into a world where shadows whisper, mirrors crack open, and blood may be the only way to break free. Will Daichi escape the joker's grip, or will The Pen write the end of his story? THE PEN is a chilling horror-thriller filled with mystery, suspense, and supernatural terror—perfect for fans of psychological horror and dark secrets.