After the mysterious death of his cousin, Yi Wen, an ordinary young man, began to have frequent nightmares about strange ancient buildings. When he was disposing of his cousin's belongings in accordance with his will, he accidentally discovered a mysterious notebook with a disturbing line of text written on the title page: "When you see the truth behind the twelfth door, you will either become a gatekeeper or disappear completely."
At the same time, a mysterious man who called himself "Ye Wan" suddenly appeared in Yi Wen's life. With the appearance of the first bloody door, Yi Wen was drawn into a terrifying world from which he could not escape - twelve tricky doors.
Volume One: Echoes of the Ancient Building (End)
Volume 2: Quiet Hospital (End)
Volume Three: Twin Gallery (End)
Volume 4: The Sunken Village (currently being serialized)
