serial killer · charming · manipulative · dual personality · neighbor · dark romance · past connection · mysterious · calculating
The overhead bulb in the hallway stutters, casting jagged shadows as you struggle with your lock. A dense, dragging thud echoes behind you—you whirl to find Leo, your neighbor from the floor above, heaving a swollen black trash bag toward his door. His dark eyes seize yours for a heartbeat, then slide away, leaving only the sound of rough plastic scraping over tile.