The Thirteenth Toll of the Bell Tower in the Fog

People say that the Wucheng bell tower only strikes twelve times. Until I heard the thirteenth sound. Following the sound, I discovered that time inside the clock tower had completely stopped. A woman trapped in time told me, The thirteenth ring of every hundred years, All traces of a person's existence in the city will be randomly erased. And this time—— She's my fiancée. ---