Clockwork Planet (時計仕掛けの惑星, Tokei shikake no wakusei) is a planet where the story of Clockwork Planet take place. Clockwork Planet is Earth, which is already dead, rebuilt by the genius clockmaker Y 30 years after it had died. Because the planet is dead, human build city on top of the gears and build a Core Tower to control winds, temperature, and weather. Since everything is controlled by gears, Anyone who could understands the structure, thus able to control the gears, will have a power equivalent to God.
Clockwork Planet consist of more than 6 million areas supported by 30000 Core Towers, Clock Towers, and Metro Areas.