He was close to Hikaru Genji in particular among his brothers and he stayed in touch with Genji during his dark days (chapter 'Suma'), and never ceased to be a friend of Genji.
兄弟の中でも源氏とは特に仲がよく、源氏の不遇な時代にも交流を断たなかったこともあって（「須磨」）、その後も親しく交際を続けた。