On March 15 (the old calendar), 1615, when Katsushige ITAKURA, Kyoto shoshidai (The Kyoto deputy), reported to Sunpu that there was a disturbing trend in Osaka such as violent and dangerous behaviors of ronin, restoration of moats and walls, rumors of setting fire to Kyoto and Fushimi, the Tokugawa side demanded that the Toyotomi family should dismiss ronin and their territory should be changed.
慶長20年（1615年）3月15日(旧暦)、大坂に浪人の乱暴・狼藉、堀や塀の復旧、京や伏見への放火の風聞といった不穏な動きがあるとする報が京都所司代板倉勝重より駿府へ届くと、徳川方は浪人の解雇、豊臣家の移封を要求する。