Sora wa akai kawa no hotori S01E13 - A Letter From Egypt
Summary:
Having triumphed in their battle against the Mitanni, the Hittite army concluded their campaign. Yuri, having missed his chance to return to modern-day Japan, also returned to his life in Hattusa. Then, one day, a letter arrived in the Hittites from their enemy, Egypt. It contained a proposal from the queen, widowed to King Tutankhamun, to marry a Hittite prince. Kyle was nominated as the top candidate, but at Ulhi's instigation, the prince to travel to Egypt was to be chosen through a chariot race...
