BRAINCHILDWhen Kim Ji-ho's father is murdered, he wants only one thing: justice. But his search for the killer plunges him into a nightmare far worse than personal grief-a technological conspiracy that threatens to tear his country apart.In a world where artificial intelligence has begun to reshape the very fabric of society, Ji-ho discovers that his father's death was just the beginning. As he digs deeper, he uncovers a terrifying truth about power, control, and the price of progress. The lines between human and machine blur, reality becomes negotiable, and Ji-ho must question everything he thought he knew about his own identity. With his nation spiraling toward chaos and his family in danger, Ji-ho faces an impossible choice: surrender to a future where humanity is obsolete, or fight for a world that may already be lost. A pulse-pounding thriller that asks the ultimate question: In the race between human heart and artificial mind, who will survive to tell the story?