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