The film "I Want to Know Your Parents" is a mystery thriller centered on a school bullying incident and the subsequent confrontation between the victim's parents and the alleged bullies' parents. The narrative focuses on themes of class, parental responsibility, and justice. There are no identifiable LGBTQ+ characters or themes present within the film's plot or character arcs.

The film 'I Want to Know Your Parents' does not feature any identifiable transgender characters or themes. The narrative centers on a middle school student's suicide and the subsequent investigation into the bullying by four classmates, focusing on the parents' attempts to conceal their children's involvement. Transgender identity is not a component of the story.

The movie does not contain any action or adventure elements.

The film is an adaptation of a stage play where the specific genders of the parent and teacher characters are not rigidly fixed or canonically established across all productions. Therefore, no character in the film is portrayed as a different gender from a widely established source.

The film is a South Korean adaptation of a Japanese stage play. While the characters' ethnicity or nationality may shift from Japanese to Korean, their broader racial category remains East Asian, consistent with the source material. No character's race was changed.

Not depicted in the film.