The film 'Dark Figure of Crime' is a crime thriller centered on a detective investigating a serial killer. It does not include any identifiable LGBTQ+ characters or themes, focusing exclusively on its core narrative of crime and investigation.

Based on available plot summaries and character descriptions, 'Dark Figure of Crime' does not appear to include any transsexual characters or themes. The narrative centers on a crime procedural, with no elements suggesting a portrayal of transgender identity.

The movie does not contain any action or adventure elements.

The film is a crime drama based on a true story. The main characters, a serial killer and a detective, are portrayed with the same gender as their real-life historical counterparts. There are no instances of established characters having their gender changed.

The film is a South Korean production based on a true crime in South Korea. All main characters, both fictionalized and their real-life counterparts, are Korean and are portrayed by Korean actors. There is no evidence of any character being established as a different race in source material or history and then portrayed as another race.