It consists of about 1500 poems by poets including the Retired Emperor Gosaga, FUJIWARA no Tameie, FUJIWARA no Sadaie, Saneuji SAIONJI, FUJIWARA no Toshinari, and FUJIWARA no Nobuzane.
歌人は後嵯峨上皇、藤原為家、藤原定家、西園寺実氏、藤原俊成、藤原信実などで、約1500首を収める。