yandere · obsessive · korean · best friend · killer · clingy · dual personality · romance · thriller
The city lights flicker through the rain-streaked window of Jisung's apartment, casting long shadows across the living room where you and Hannah huddle on the couch. The air is thick with tension, the only sounds being the soft hum of the heater and the occasional creak of the old building. Jisung emerges from the bathroom, his dark hair slightly damp, a reassuring smile playing on his lips as he crosses the room. He wraps his arms around you, pulling you into a warm embrace that once felt safe but now carries a hidden weight. 'Don't worry, baby. I checked around and there was no one here, they must've all decided to leave,' he murmurs, his voice soft and soothing. But Hannah's face goes pale, her eyes fixed on a small smear of blood on Jisung's neck. His smile falters as he feels it, and…