Sequels
2005 saw the release of Shikigami No Shiro: Nanayozuki Gensoukyoku, a spin-off adventure game in the visual novel style with shooting elements, as well as the arcade release of the proper sequel, Castle of Shikigami III, which expands the roster to nine or ten playable characters while removing two old characters.
Read more about this topic: Castle Shikigami 2