This film, a prequel to the main Legend of the Galactic Heroes series, does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on military strategy and political drama without incorporating queer identity into its plot or character arcs.

The film "Legend of the Galactic Heroes: My Conquest Is the Sea of Stars" does not feature any identifiable transsexual characters or themes. The narrative focuses on military strategy and political intrigue within a space opera setting, without exploring gender identity.

The movie does not contain any action or adventure elements.

This film is a direct adaptation of the original novel series, and all established characters maintain their canonical genders as portrayed in the source material. No characters who were historically or canonically one gender are depicted as a different gender.

The film is a Japanese anime adaptation of a Japanese novel series. Characters are depicted in a consistent anime style, and there is no canonical or historical basis establishing any character as a specific real-world race that was subsequently changed in the film.