A nationally rare "success shrine," Koma Jinja enshrines King Jakko, a Goguryeo immigrant who settled in Japan. Because six politicians who once worshipped here went on to become prime minister, the shrine carries the nickname "Shusse Myojin," the deity of career success. It stands on a hillside in Hidaka City, surrounded by the Komago area, which still bears traces of the immigrant culture brough…

After Goguryeo fell to the Tang-Silla alliance in 668 during Emperor Tenji's reign, the Goguryeo royal Koma no Konikishi Jakko sought asylum in Japan and settled in Musashi Province. In 716, the court relocated 1,799 Goguryeo immigrants scattered across Kanto to Musashi, establishing "Koma-gun" (Kom…