Introduction: Seong-hwan has always listened to the voice. It guides him, whispers promises of a perfect life-if only he obeys. In the shadows of the city, he moves unseen, careful, methodical. Each job is precise. Each mistake erased.But something feels off. The streets seem too familiar. The silence lingers too long. And no matter how much he listens, the emptiness inside him only grows.As the voice urges him forward, Seong-Hwan begins to question everything. Is he chasing a future-or running from something he can't remember?...