Kage is a pivotal character in the anime series 'Ousama Ranking'. He is a member of the Shadow Clan, a group known for their stealth and assassination skills. Despite his dark past, Kage forms a deep bond with the series' protagonist, Bojji, and becomes his loyal companion. Throughout the series, Kage supports Bojji on his quest to become a great king, offering emotional support and using his unique skills to aid in their adventures. His character development is crucial to the overarching theme of friendship and trust.