<p>In the Okada district of Mabi-cho, Kurashiki City, which experienced the heavy rain disaster in western Japan in 2018, residents are trying to hand down the flood disaster experience so that they will never have a tragic experience again. In that activity, disaster prevention and mitigation measures were divided into three categories: evacuation, living, and succession. For the result, Effective disaster prevention and mitigation means "expanding the scope of assumptions by understanding natural phenomena and modern society, and acquiring the ability to respond to unexpected encounters, rather than thoroughly implementing evacuation manuals within expectations."</p>