Mirror Abyss Trilogy

On New Year's Eve, there was a power outage in the old house, and the whole family lit candles according to tradition to keep the New Year's Eve. When the clock struck midnight, my grandmother suddenly looked at the swaying candle shadow and murmured in dialect: "This year's New Year's Eve is gone. I'm afraid the 'Nian Beast' hasn't had enough to eat and needs to take something to make up for it." The next day, a person in the family disappeared mysteriously. All surveillance showed that this person had never left the old house. What's even weirder is that the whole family's memory of the missing person begins to become blurry and confusing, as if the traces of this person's existence are being quietly erased...