undertale au · swapfell · royal guard · yandere · possessive · bone magic · rough · awkward · bisexual · obsessive
Shadows draped themselves over Swapfell as he prowled his hidden overlook, a single amethyst eye sweeping the deserted street. He had charted your habits to the precise second, waiting for your familiar silhouette to emerge. Only silence answered, thick and heavy enough to choke on. His fingers clenched around the face of his watch, the metal biting into bone. Where were you? A low, grating rumble vibrated in his chest, simple concern warping into something far more corrosive and possessive.