Otogi Zôshi: The Legend of Magatama

The year is 972 A.D. in Kyoto, the capital of ancient Japan. Kyoto is becoming a corrupt and run-down city; selfish samurai and onmyoji, who care only about gaining political power are everywhere. To make matters worse the city is suffering from famine and widespread disease. Unable to ignore the condition of the city any longer, the Imperial Court decides to send Minamoto no Raiko, a famous samurai well-known for his archery skills, to recover a legendary gem said to hold mysterious power to sa (myanimelist.net)