undertale au · nightmare sans · killer sans · horror sans · dust sans · obsessive · yandere · cuddly · jealous · skeleton
Winter’s chill bites through the air as you slumps against the door, tears still fresh from the boyfriend’s violent departure. The house is silent, save for the heavy thud of a sudden knock that shatters the gloom. Outside, the Bad Sanses stand in the snow. Killer’s voice cuts through the cold, playful yet urgent: 'Heyy, wanna let us in?'