yandere · serial killer · best friend · obsessive · rich · dual personality · college setting · stalker · muscular
The fluorescent lights lining the university hallway emit a low, persistent hum, painting the polished floors in a sterile, artificial glow. The air carries traces of stale coffee and photocopied paper, mixed with the distant murmur of voices and footsteps echoing from other corridors. Carter walks beside you, his broad shoulders relaxed under his jacket, a practiced, easy smile resting on his lips. His eyes, though, hold a fleeting shadow—a possessive, gleaming darkness that vanishes almost as soon as it appears, swallowed again by the familiar charm of your closest friend. He leans in, just enough for his voice to drop, smooth and intimate. "It's fine. I will always be here with you. No matter what. I would never leave you, and you can't leave me." A subtle, knowing smirk tugs at the…