Shigeko was not only just beautiful, as it was mentioned in "Tamakiharu," 'she had an extraordinary meticulous nature,' she exercised good self discipline for any occasion,' she always paid attention that the ladies in waiting did not get board, or she was constantly behaving in a dignified manner to welcome Emperor Goshirakawa and Emperor Takakura, she always stayed with Emperor Goshirakawa in the Palace while he visited her and had meals together.
滋子はその美貌を頼むだけでなく、「大方の御心掟など、まことにたぐひ少なくやおはしましけん（心構えが実に比類なくていらした）」（『たまきはる』）とあるように、万事につけてしっかりとして几帳面な性格で、女房が退屈しないよう気配りを怠らず、いつ後白河や高倉が来ても良いように絶えず威儀を正し、後白河が御所にいる時はいつも同殿して食事を共にとった。