For the part looking down into the izutsu, 'the section where she says, "how dear to see, even if it's myself how dear it is to see," is sometimes said as kenyou (to read things as is in waka) of yin yang'
井筒をのぞきこむ部分に関して、「みればなつかしや我ながらなつかしやと云所に陰陽の見樣といふ事あり」