There are ghosts in this world.
I didn't lie. ——This is the truth.
Evil spirits are harmless. ——This is a joke.
If you cause trouble during the day, beware of ghosts knocking on your door in the middle of the night. ——This is a warning.
Beware of ghosts when walking at night. ——This is personal experience.
If you encounter a supernatural incident, welcome to the Huaguang Academy Demon Slayer Club! ——This is an advertisement.
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In the land between the winds, yin and yang reincarnate, evil ghosts appear, and humans and ghosts chase them.