No information regarding LGBTQ+ characters or themes in the film 'Kōshoku hana densha' was provided for evaluation. Consequently, an assessment of its portrayal of LGBTQ+ elements cannot be made based on the available data.

The film '{Kōshoku hana densha}' does not appear to feature identifiable transsexual characters or themes based on the available information, resulting in an N/A rating for its portrayal.

The movie does not contain any action or adventure elements.

This 1981 film is an original production and not an adaptation of existing source material with pre-established characters, nor does it feature historical figures. Therefore, no characters undergo a gender swap from prior canon or history.

This 1981 Japanese film is an original production, not an adaptation of existing material with established characters of a different race, nor a biopic of non-Japanese historical figures. All characters are original to the film and portrayed by actors of the expected race for the setting.