Waka poems were a popular art form in the Heian period, enough that the famous poet Fujiwara no Sadaie and Emperor Go-Toba sought to put together a selected collection of chosen verses.
Utsunomiya Yoritsuna
Sadaie's friend
Amigo de Sadaie
Utsunomiya Yoritsuna
Utsunomiya Yoritsuna
Amigo de Sadaie