The film 'Demon Slayer: Kimetsu no Yaiba Infinity Castle' does not appear to feature any identifiable LGBTQ+ characters or themes. Available plot summaries, reviews, and descriptions focus on the main narrative of demon slaying and character development, without any mention of queer elements.

The film does not appear to feature any identifiable transsexual characters or themes. Plot descriptions, reviews, and interviews consistently focus on demon hunting and combat narratives, without any references to gender identity or transformation. For example, character arcs revolve around battling demons and personal growth in combat, not transsexual experiences.

Available information does not detail specific combat scenes where female characters engage in and win physical combat against male opponents using hand-to-hand or melee weapons.

The film's characters maintain their established genders from the source manga by Koyoharu Gotouge, indicating no instances of gender swapping.

The film is an animated adaptation of a Japanese manga, featuring characters consistently depicted as Japanese. The race of voice actors, particularly in dubbed versions, does not alter the on-screen racial portrayal of animated characters.