The film 'Midsummer' by James Kerwin does not feature any discernible LGBTQ+ characters or themes. The narrative centers on a horror plot involving a group of friends, rendering the LGBTQ+ portrayal as not applicable.

The film "Midsummer" (1999) does not feature any identifiable transsexual characters or themes. The narrative focuses on a group of friends encountering a mysterious presence during a camping trip, with no elements related to transgender identity or experiences present in the plot or character arcs.

The movie does not contain any action or adventure elements.

The film "Midsummer" (1999) directed by James Kerwin could not be identified, making it impossible to assess its characters or source material for gender swaps. Therefore, no instances of gender swapping can be confirmed.

The film "Midsummer" (1999) is an obscure short film with generic characters ("The Man," "The Woman") who do not have established canonical or historical racial identities from source material or prior adaptations. Therefore, no race swap can be identified.