Tetsu to Ra III -Touhou Douran: Megami Shittsui-

Ashley Garland, an ancient great magician whose resurrection was announced to the world after the fall of the Holy Kingdom of Austin. Once sealed away by a saint during a global war known as the Sealing War, he was dubbed the Demon King and once again plunged the world into chaos, eventually conquering even the Gareth Empire, the largest nation ruling the western part of the continent. Having heard of the emergence of a culture not present a thousand years ago, Ashley became interested in the eastern part of the continent. As he continues his research to change his own destiny, he believes that encounters and experiences with the unknown could hold the key to unlocking the future. While he doesn't have excessive expectations, he believes there may be new discoveries to be made. Though he knows those around him will likely try to stop him from heading there, Ashley is nonetheless excited about the prospect of heading to the eastern lands. [MTLed from Getchu]