After that, it was the last news that Masayuki visited Rokuon-in Temple on November 26, 1487, and he was never heard of since then, so that the post of Shugo was handed over to his younger brother Hisayuki.
その後、政之は長享元年（1487年）11月2日(旧暦)に鹿苑院を訪問したのを最後に消息が途絶え、守護職は弟の尚之が継承した。