For a period, it was customary for occupants of this office to retire to monasteries and become "cloistered." One holder of this office asserted its power in the Kemmu Restoration; an earlier one died at age six after losing an important sword at an 1185 naval battle. A twentieth century holder of this office gave the Jewel Voice Broadcast, renouncing his (*) divinity and ending World War II. For 10 points, name this office that sits on the Chrysanthemum Throne and is currently held by Akihito.
For a period, it was customary for occupants of this office to retire to monasteries and become "cloistered." One holder of this office asserted its power in the Kemmu Restoration; an earlier one died at age six after losing an important sword at an 1185 naval battle. A twentieth century holder of this office gave the Jewel Voice Broadcast, renouncing his (*) divinity and ending World War II. For 10 points, name this office that sits on the Chrysanthemum Throne and is currently held by Akihito.
For a period, it was customary for occupants of this office to retire to monasteries and become "cloistered.
{Emperor} of {Japan} [or obvious equivalents; or {tenno}]