The TV anime series Chouyaku Hyakunin Isshu: Uta Koi. is created by TYO Animations, based on a historical josei (for women) manga by Kei Sugita. In turn, the manga is a "super-liberal interpretation" of the Hyakunin Isshu anthology compiled during Japan's Heian period (in the late 1100s), of 100 romantic poems from 100 different poets.