Chikan densha: Ushiro kara mo aishite (1989)

This film does not contain any discernible LGBTQ+ characters or themes. Its narrative is exclusively focused on heterosexual interactions, rendering an evaluation of LGBTQ+ portrayal as not applicable.

The movie does not contain any action or adventure elements.

This film is an original Japanese production from 1989 and does not appear to be an adaptation of any prior work with established characters. Therefore, no characters exist whose gender could have been canonically or historically altered.

This 1989 Japanese film is not an adaptation of a known source material with pre-established characters, nor is it a biopic or period piece featuring historical figures. All characters are considered original to the film, thus precluding a race swap.