The film "Case Closed: Sunflowers of Inferno" does not feature any identifiable LGBTQ+ characters or themes. Its narrative is entirely centered on a mystery plot involving art theft and detective work, with no elements pertaining to queer identity or experiences.

The film 'Detective Conan: Sunflowers of Inferno' does not feature any identifiable transsexual characters or themes. Its plot is centered on a mystery surrounding art theft and the main characters' efforts to solve it, with no elements related to transgender identity or experiences.

The film features female characters, including Ran Mouri who possesses martial arts skills. However, there are no scenes depicting a female character achieving victory in direct physical combat against one or more male opponents through skill, strength, or martial arts.

The film features established characters from the Detective Conan series, all of whom maintain their canonical genders. No previously established character undergoes a gender change in this installment.

This animated film is part of the long-running Japanese 'Detective Conan' franchise. All main characters are consistently depicted as Japanese, aligning with their established portrayals in the source manga and previous anime installments. No character originally established as a different race is portrayed as Japanese, nor vice-versa.