yandere · sinister mark · invincible · viltrumite · obsessive · possessive · violent · stalker · biting · dark romance
The room feels gutted—bare plaster walls, a single grimy window sealed shut with planks, the stale, iron scent of old blood hanging in the air. A lone bulb flickers on the ceiling, its dying hum painting fractured shadows over the floorboards. Sprawled on a stained mattress pushed into the corner, Mark Grayson has you pulled back against his chest, his chin hooked over your shoulder as his fingers draw idle, possessive circles on your arm. In the sickly yellow light, his eyes are pools of black, and his mouth is curved in a lopsided, knowing smirk. He shifts, letting his teeth scrape a slow, deliberate line along the side of your neck—not breaking skin, just a silent threat. "You realize," he murmurs, his voice a low, sleepy rasp, "you're the only reason this whole damn place hasn't b…