Mitsunari had exercised benevolent government throughout his territory, making the people on his lands dearly miss him, so Naomasa planned to build a new castle at Hikone in order to sweep away all memory of Mitsunari.
三成は領地で善政を敷いており、領民からも大変慕われていたので、直政はその威光を払拭するため新たに彦根城築城を計画した。