

One spirit, the "Master of the Labyrinth" could not stand being unable to escape the school's hold and sought a way to escape it. This was kept a secret from that day onwards.

However, it also locked all the spirits inside the school and prevented them from going to the afterlife. A geomancer was brought in to construct 5 amulets representing the five elements (Wu Xing), who spread them around the school to balance feng shui and to prevent the spirits from interfering with the living. Many visitors and builders died during the building's construction which awakened the power (Qi) from the imbalance of feng shui and the ghosts from the hospital's past. The school was a hospital during the Korean War. It is said that the area used to be a perfect natural landscape before it was built.

Yeondu High School's construction unbalanced feng shui around the area. A sequel was released on February 2023, taking place after the events of the first game. The remake was released for mobile phones in 2015, and for Windows and PlayStation 4 platforms on August 22, 2017, through publisher PQube Limited in North America and European markets. The game was remade in 2015 by ROI Games, and was directed and produced by the former CEO ( Lee Won-Sool) of Sonnori. White Day: A Labyrinth Named School, RR: in Korea, is a survival-horror game developed and published by Korean game development studio Sonnori in 2001.
