The film "Midnight Sun" centers on a heterosexual romance between its two main characters. There are no identifiable LGBTQ+ characters or themes present in the narrative, resulting in no portrayal to evaluate.

The film 'Midnight Sun' (2018) does not feature any identifiable transsexual characters or themes. The narrative centers on a young woman's life with a rare medical condition and her romantic experiences, without incorporating any elements related to transgender identity.

The movie does not contain any action or adventure elements.

The film is an adaptation of the 'Midnight Sun' story, which consistently features a female protagonist and a male love interest across its various iterations. There is no evidence of any major character's gender being altered from established canon in this musical film adaptation.

The 2021 Japanese musical film "Midnight Sun" adapts a story with characters originally established as East Asian in its Japanese source material. The film maintains this racial portrayal for its characters, with no instances of a character's race being changed from their established canon.