The film "Detective Conan: Crimson Love Letter" does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on a mystery, a karuta tournament, and heterosexual romantic subplots, with no depiction of queer identity or relationships.

The film "Case Closed: The Crimson Love Letter" does not feature any identifiable transsexual characters or themes. The narrative focuses on a mystery, a traditional Japanese card game tournament, and the relationships among its established characters, without engaging with gender identity or transsexual experiences.

While female characters like Ran Mouri and Kazuha Toyama possess martial arts skills, their physical prowess in this film is primarily demonstrated in breaking objects or navigating environmental hazards during an escape. There are no scenes where a female character is depicted defeating one or more male opponents in direct physical combat.

This film is an installment in the long-running Detective Conan franchise. All established characters from the source material maintain their canonical genders, and any new characters introduced for the movie do not qualify as gender swaps.

This animated Japanese film features characters consistently depicted as East Asian, aligning with their established race in the original manga and long-running anime series. No characters canonically established as one race are portrayed as a different race.