He objected and made a direct appeal to the Muromachi Bakufu (Japanese feudal government headed by a shogun) that the Mibu-Kanmu family exclusively possessed the official position of kanmu and, despite his superiority, he had not been appointed.
官務の地位を対立する壬生官務家が握り、上首である長興が任命されなかったことに反発して、室町幕府に直訴する。