The film "Legend of the Galactic Heroes: Overture to a New War" does not feature any identifiable LGBTQ+ characters or themes. Its narrative focuses on military strategy, political intrigue, and the early careers of its main protagonists within a science fiction setting, without incorporating queer identities or relationships into its plot.

The film 'Legend of the Galactic Heroes: Overture to a New War' does not feature any identifiable transsexual characters or themes. The narrative focuses on interstellar warfare, political intrigue, and military strategy, without engaging with transgender identity or experiences.

The movie does not contain any action or adventure elements.

This film is an adaptation of the 'Legend of the Galactic Heroes' novels. All established characters maintain their canonical genders from the source material, with no instances of a character being portrayed as a different gender.

This 1993 anime film is an adaptation of the original novels and maintains the established visual depictions of its characters. There are no instances where a character canonically established as one race in the source material is portrayed as a different race in this installment.