Kwak Jung-wook

Two girls confused between love and friendship leave their mutal friend Ji-Hwan unexpectedly. Years later, Ji-Hwan departs on a long journey to find his old friends as he confronts a beautiful yet sad secret. (Korean with English subtitles).

In-su has a special power to see ghosts. One day, In-su meets a ghost who lost her memory and roams around the school. He opens up to her as they build up a quite special friendship and gradually accepts his power to see ghosts which he once thought of as a curse. In the meantime, students mysteriously go missing one by one while the story of the strange bloody mask ghost spreads throughout the school.