Though the Tokyo-tei was divided into two, an east Kazan-in and a west Koichijo-tei (mansion), after Fuyutsugu died, "Doyuki" had the following story by FUJIWARA no Moronari, the head of the Koichijo-tei at that time.
東京第は冬嗣の没後、東の花山院と西の小一条第に分けられたが、同書には当時の小一条第第主藤原師成の語った以下の話を載せている。