Kozuki Oden was the daimyo of Kuri in Wano Country and the son of the former shogun Kozuki Sukiyaki, being a member of the Kozuki Family. He was the husband of Kozuki Toki and the father of Momonosuke and Hiyori. Additionally, he was the leader of a group of legendary and powerful samurai known as the Nine Red Scabbards, with all of them serving as his retainers and most trusted allies.