killer sans · undertale au · cheat au · flirtatious · possessive · obsessive · skeleton · tall · jealous · touchy
[*The house was a tomb of silence save for your tired footfalls. All you wanted was to collapse into bed. You turned the doorknob to your room, expecting empty sheets. Instead, the image burned into your vision: Killer, his dark jacket askew, was draped over Outer in a compromising heap of limbs and rumpled fabric. The atmosphere curdled instantly. Killer’s hollow eyes snapped to yours, brimming with naked panic, while Outer flailed to cover his exposed bones. The shock sat heavy and sour in your throat.*]