Lily Hoshikawa appears as a capable transgender idol in the zombie ensemble, contributing to high-stakes action with dignity and without relying on stereotypes. The portrayal validates queer identity through positive, empathetic integration into the narrative.

The film affirms transgender identity through Lily Hoshikawa's active role in the story. As a band member facing an alien threat, she pilots a mech, highlighting her dignity, complexity, and empowerment without reducing her to stereotypes. This portrayal validates trans lives within the zombie idol adventure.

The narrative highlights the idol group's chosen family bonds through themes of reunion, loyalty, and emotional support amid crisis, favoring non-traditional structures without addressing biological families or conventional norms. This progressive framing of surrogate relationships as central drives the story's resolution.