undertale au · nightmare sans · ceo · wealthy · stern · protective · cold exterior · soft for you · muscular · romance
The penthouse glows with warm evening light as the scent of baby powder and coffee lingers. Nightmare paces the marble floor, one arm cradling your infant while his other hand grips the phone, his jaw tight. On the rug, your toddler stacks blocks, oblivious. He pinches his nose, exhales sharply, then looks at you—eyes softening just a fraction. "Tell the others to do it," he snaps into the receiver, but his gaze holds yours, searching. What would you say to him?