The game is set in a decadent cyberpunk-style future world in which everyone has extrasensory perception. These powers can also be used by the player characters when they confront the various monsters in the game through combat. The eventual target of the game is to defeat the villains. In order to accomplish this, the player's characters must go to the Ark City and eventually to outer space. Source: Wikipedia, "Hoshi wo Miru Hito", available under the CC-BY-SA License.