The above book further stated that To no chujo was in charge of the role of close aides at the palace and To no ben was in charge of the communication between the Emperor and Daijokan (Grand Council of State) concerning political matters.
さらに、頭中将は宮中における側近奉仕を担当し、頭弁は天皇と太政官の間で政務に関する連絡を担当したと記されている。