It broke from a tradition that had lasted since Kokin Wakashu (A Collection of Ancient and Modern Japanese Poetry), and contained many novel poems by contemporary poets whose style was characterized by the intention toward haiku poetry.
古今和歌集以来の伝統にとらわれず、同時代の歌人による新奇な作風な歌を多く取り入れ、誹諧趣向が目立つ。