Summary
A routine life shattered in a single heartbeat. Kang Seoyoon, an ordinary office worker, finds herself alone in a concert hall with the virtuoso An Heewon. But the melody turns into a nightmare when she witnesses the unthinkable: a murder committed in cold blood, and a pianist playing a symphony of slaughter. Now, trapped in a deadly game of cat and mouse, Seoyoon faces a chilling ultimatum: succumb to death or be consumed by the darkness. Dive into the madness—read Chapter 1 now!