Kuroda Josui, born Kuroda Kanbei, was a renowned military strategist and daimyo who served under Oda Nobunaga and later Toyotomi Hideyoshi during Japan's Sengoku period. Celebrated for his tactical brilliance and pivotal role in several key campaigns that helped unify Japan, he became a historical figure sometimes invoked in connection with victory and competitive success. Shrines and sites associated with his memory are visited by some who seek inspiration for strategic triumph, athletic achievement, or perseverance, though such associations reflect popular tradition rather than formal religious doctrine.