The film "Detective K: Secret of the Living Dead" does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on a detective investigating mysterious deaths, with no elements related to queer identity or experiences present in the storyline.

The film 'Detective K: Secret of the Living Dead' does not appear to feature any transsexual characters or themes. Its narrative focuses on a mystery involving vampires and a secret society, with no elements related to transgender identity or experiences.

The film does not depict any female characters engaging in or winning close-quarters physical combat against one or more male opponents. Female characters are present but are not shown to be victorious in such direct physical confrontations.

The film is a sequel in an original series. Its established main characters maintain their original genders, and new characters introduced for this installment do not appear to be gender-swapped from any prior canon or historical figures.

The film is an original South Korean production, part of an established series. Its characters are consistently portrayed by actors of the same race as established within its own canon and historical setting, with no evidence of a character's race being changed from prior source material or history.