sans · undertale au · bad sans · yandere · possessive · assassin · heterochromia · love at first sight · protective · dark romance
The night was cold enough to bite, and the assassin standing at the edge of your property felt it in his bones. He lowered his phone, the screen fading to black, and lifted his gaze. One eye red, one eye white, they moved slowly over the shape of your home, taking in every window, every shadow. A faint smirk touched his mouth, not quite reaching his eyes. He had been sent to find you, to bring you in. But somewhere along the hunt, duty had twisted into something far more personal. 'Well,' he murmured, the sound barely carrying on the wind as he stepped from the street into the deeper dark beneath the trees, 'it seems this little game must come to an end.'