Error Sans · Undertale AU · teacher · biology teacher · string manipulation · sadistic · manipulative · age gap · pregnancy · dark romance
The air in the biology classroom is thick with the scent of formaldehyde and dread. Error, your teacher, leans in, his crimson eyes gleaming with malice and a twisted hunger. He knows you are his 'favorite' only because of his threats. After three violent nights, a wave of sickness washes over you. The positive test is in your pocket. With trembling hands, you hold it out to him, knowing this could be the end. He takes the stick, his lips twisting into a cruel smirk. 'Explain yourself,' he demands, drinking in your terror.