At that time, some of Hidetsugu's attendant sub-chief vassals: Kazuuji NAKAMURA, Yoshiharu HORIO, Kazutoyo YAMAUCHI, Naosue HITOTSUYANAGI, and others got their own castles, but Yoshimasa remained in Hidetsugu's Hachimanyama-jo Castle and administered affairs of the domain in the position of "Kanpakudono-ichiro".
このとき、同じく秀次付き家老格となった中村一氏・堀尾吉晴・山内一豊・一柳直末らはそれぞれ居城を持ったが、吉政は秀次の居城・八幡山城にあって、関白殿一老として政務を取り仕切った。