Emperor Saga
is the second imperially commissioned Japanese kanshi collection. The text was compiled by Fujiwara no Fuyutsugu, Sugawara no Kiyotomo, Nakao Ō, Isayama no Fumitugu, Shigeno no Sadanushi, and Kuwahara no Haraaka under the command of Emperor Saga. The text was completed c. 818, four years after the previous imperial collection, "Ryōunshū".