Kiruan is a fictional character from Kaette Kita Ultraman. He is a supporting figure associated with the series’ science-fiction and hero-action themes, appearing in the context of Ultraman’s return and the conflicts surrounding giant monsters and alien threats. As with many characters in Ultraman stories, Kiruan contributes to the unfolding drama by interacting with the main cast and helping frame the stakes of the episode or storyline. His role is part of the broader ensemble that supports the series’ monster-battle narrative.