About the Movement of the Earth About the Movement of the Earth, Chi.: Chikyuu no Undou ni Tsuite, About the Movement of the Earth, Orb: On the Movements of the Earth, チ。―地球の運動について― 15th century Poland—a time when heretical ideas led those who possessed such a mindset to be burned at the stake for their beliefs. Rafał, a child prodigy, is expected to major in theology at university, the most important subject at the time. However, one day he meets a mysterious man, and begins researching a potential "truth" amid heretical ideas!