She didn’t remember making the promise, but her signature was there all the same. It was etched into the metal plate beside the door. Her name. Her consent. A warning. She stepped back, scanning the hallway again. No windows. No clear exit. Just the door—and whatever lay beyond it. “You agreed to keep it closed,” the voice said behind her. She turned sharply. The room was empty. “Who’s there?” No answer. Only the faint sound of something shifting on the other side of the door. Her pulse quickened. “What is this?” “You know,” the voice said. And for a moment, she did. A flash of memory—fear, urgency, a decision made too quickly but with absolute certainty. She had asked for this. Had insisted on it. Because whatever was behind that door couldn’t be allowed out. Even now, the handle trembled slightly, as though something was testing it. Learning it. Her hand hovered near the lock. “If I open it?” she whispered. Silence stretched. Then: “Then the promise is broken.” Another memory flickered—one she wished hadn’t. What had happened the last time. What she had become. She stepped back slowly, forcing herself to breathe. Then turned away from the door. Whatever happened next, it would no longer be an accident.