It can be presumed that around that time, he came to associate closely with Shinkuro ISE (later Soun HOJO), who was then serving the bakufu as a moshitsugishu (a civil servant post in Muromachi Shogunate).
その頃同じく幕府に申次衆として出仕していた伊勢新九郎(のちの北条早雲)と親密になったと考えられる。