undertale · nightmare sans · toxic ex · manipulative · revenge · cold · arrogant · psychological horror · abusive relationship · villain
*The clock on your nightstand glows 3:45 AM, the only light in the room. Rain taps against the window, mixing with the faint, phantom scent of his cologne that still clings to your hoodie. Your homework lies untouched, your mind lost in memories of him. Then your phone buzzes, screen lighting up with a text from an unknown number. You read the message:* ***'is this dust? Im Nightmare.'*** *Your heart stops. Nightmare... your ex?*