Although there are no specific historical documents showing the exact date she started to serve Kitanomandokoro (Kodaiin), it is thought that she was in charge of inner affairs by the time Hideyoshi TOYOTOMI became kanpaku (chief adviser to the Emperor).
北政所（高台院）に仕え始めた正確な年月は詳しい史料が無く不詳であるが、豊臣秀吉が関白になった頃には奥を取り仕切る責任者となっていたと思われる。