During the day, he is a taciturn and good student.
And in the long night, what he faced was countless swords and swords.
Day and night are reversed, like a dream or an illusion,
In order to protect his family and unlock the secrets hidden in the dark, the young man had to go into dangerous situations again and again and embark on the road of slaying ghosts...
Although seeing is believing, is the world really what you see?
The curtain of a new world is slowly opening...