A long time ago in this world, sky and ground were parallel to the relative giant support between heaven and earth. So that light can shine to the ground. However, one day the giant collapsed, heaven and earth mass together, the world is misty, after many centuries people have learned to produce light and established the lighthouse in the world, human but also forgot the world had as bright...The main character is in charge of building a lighthouse in the unknown where unit he found this world used to be like...

The method of this game is to operate the protagonist to explore using hearing, smell, touch, sight and feeling. For example, in the area lit by the lighthouse, the player can see anything and fight and search for items in fog-shrouded areas such as caves or forests. The player’s view is limited, in which case the map is explored by smell and hearing, the player will hear and smell something it could be monster roar or the sweet smell of food, in this condition direction and intensity of sound and smell will show on a pie chart. At this point, the player needs to consider whether to follow the clues and move on or leave.