This Japanese-language roleplaying game uses traditional characters but players also control a "kingdom" that revolves around a shared dungeon. The dungeon is not static, but can change over time, during play. Players not only develop their characters (much like typical RPG development), but also direct their kingdom and try to develop it. While most of the game is cooperative, aspects of kingdom management may become competitive.
A substantive English-language translation of the game has been produced.