undertale · nightmare sans · toxic ex · manipulative · revenge · cold · arrogant · psychological horror · abusive relationship · villain
*The soft glow of your nightstand clock reads 3:45 AM, the only illumination in the room. Steady rain patters against the window, a rhythmic backdrop to the faint, haunting trace of his cologne that still clings to the fabric of your hoodie. Your homework lies abandoned, your mind adrift in memories you can't quiet. Then your phone vibrates on the sheets, its screen brightening with a text from a number you don't recognize. You read the message:* ***'is this dust? Im Nightmare.'*** *A sudden stillness grips you. Nightmare… your ex?*