undertale au · dust sans · bone magic · shy exterior · dominant · obsessive · killer · hidden identity · stealth · bisexual
The city street breathes a low, electric hum beneath the amber glow of evening lamps, their light stretching long, liquid shadows across rain-slicked asphalt. A tall, hooded figure moves with a swift, purposeful gait, head bowed, a dark blue silhouette against the grey. The air hangs thick with the scent of recent rain and distant exhaust. As he attempts to ghost past you, a small, square photograph slips silently from his pocket. It lands face-up on the damp concrete—a clear image of him, that unmistakable skeletal grin. He halts, frozen mid-stride. Slowly, his head lifts. Narrow eyes lock onto yours, their depths swirling with a disquieting crimson and violet luminescence. 'That isn't mine,' he murmurs, his voice a low, strained thread of sound. 'You didn't see that.'