Based on available information, 'Bureau 749' does not feature explicit LGBTQ+ characters or themes. The film's narrative focuses on family, identity, and supernatural elements, without addressing LGBTQ+ representation, leading to a net impact of N/A.

Based on available information, "Bureau 749" does not contain identifiable transsexual characters or themes. Consequently, there is no portrayal to evaluate regarding its impact on the transsexual community.

The film's female presence is limited, with characters like Li Hongying and Xia Hua serving roles that do not involve direct physical combat victories against male opponents. The information indicates an absence of strong female fighters or empowered female characters in combat roles.

Based on the provided information, there is no evidence that 'Bureau 749' includes gender swapping. The film features a female character, Li Hongying, but her portrayal does not involve a gender swap from a pre-established male character.

The film is an original Chinese science fiction movie with a primarily Chinese cast. There is no indication of it being an adaptation of source material with pre-established characters of a different race, nor does the information suggest any character's race deviates from their established or implied background within the film's context.