The acute grief which lies in the simple and unaffected style of the Nijo group's poetry gives inner mystery to the poems, which cannot be seen in any of the Thirteen Imperial Anthologies of Japanese Poetry.
平淡な二条派歌風の底に潜む悲痛極まりない感慨は、十三代集のいずれにも見られない、深遠な蘊奥をこの集に賦与している。