The film 'On Your Wedding Day' is a romantic drama centered on a heterosexual couple's long-term relationship and unrequited love. There are no discernible LGBTQ+ characters or themes present within the story, resulting in no portrayal to evaluate.

The film 'On Your Wedding Day' is a romantic drama centered on a heterosexual couple's relationship over many years. It does not feature any transsexual characters, themes, or plotlines, thus having no impact on the portrayal of transsexual identity.

The movie does not contain any action or adventure elements.

This film is an original South Korean romantic comedy with characters created specifically for this movie. There are no pre-existing source materials, historical figures, or prior adaptations from which characters' genders could have been swapped.

This South Korean romantic comedy is an original film, not an adaptation of source material with pre-established character races from a different cultural context, nor a biopic. All characters are portrayed by actors of the race consistent with the film's setting and origin, thus no race swap occurred.