From a place in a different dimension from Earth, a world called 'Lote'. It is a world of androids, comprising of a queen, princess, rook, bishop, and knights under the command of a main computer. However, one of the main computer, the princess suddenly disappeared and the world of Lote falls into chaos. In order to find the princess, the head of secretary, Dion, travels to our world, Earth. There, he meets a high school student SeoYoon, and from this incident the life of SeoYoon takes a 180 degree turn…!!