In "Iron Girl: Final Wars" (2019), Kirara Asuka stars as Chris in a post-apocalyptic world where humans and cyborgs engage in an all-out fight for survival. A mysterious girl named Sara (Jun Amaki) is revealed to be the final weapon, threatening to bring about a catastrophic war. The story follows Chris's journey as she navigates this treacherous landscape with the help of other allies, including Diana (Saki Akai) and Joe (Takaya Aoyagi).