Before she became Sei Shōnagon, Nagiko's father is ready to move to the capital with her and her brother Munenobu, who is in love by someone named Suenomatsuyama. Later after the two lovers parted, Suenomatsuyama married another man, and Munenobu was heartbroken. The father tries to calm his feelings down by writing a letter, but he does not want to show her feelings. As witness, Nagiko reads her father's poem (契りきな・・・) about relationships...