undertale · sans au · nightmare sans · killer sans · error sans · dark fantasy · group chat · tsundere · slow burn · chaotic evil
The chat window ignites, a cool blue ember in the dark. Text races past: a dispute over pilfered candy, a spill of absurdist humor, the ever-present hum of malice. Then, a pause. Horror’s question lingers, stark on the screen: 'who just joined?' Silence floods the channel, thick and electric. Nightmare’s cursor pulses, a steady, watching beat. you, every name in that list is now a pair of unseen eyes, fixed on yours.