It is also said that Kenko became close to KO no Moronao, the steward of the Ashikaga clan in his later years; it is mentioned in "Taiheiki" (The Record of the Great Peace) that Kenko wrote a love letter on behalf of Moronao.
また晩年は、当時の足利氏の執事、高師直に接近したとされ、『太平記』に、その恋文を代筆したとの記述がある。