Midnight Ballad for Ghost Theater

Sodan is living with her grandmother. One night the grandmother leaves, saying that she is going to watch a movie which she once acted in. When she doesn't return Sodan goes searching for her. Sodan's search leads her to an old movie theater which turns out to be haunted. Soon enough Sodan has taken a liking to the ghosts and team up with them to save the movie theater from being closed while at the same time trying to learn more about the movie her grandmother once starred in. (Summary by Dreamer)