The film, a children's animated feature from the Doraemon franchise, focuses on adventure and friendship among robot characters. There are no identifiable LGBTQ+ characters, themes, or plotlines present in the narrative. The story's scope is entirely unrelated to queer identity or experiences.

The animated film 'Dorami & Doraemons: Robot School's Seven Mysteries' does not feature any identifiable transsexual characters or themes. The story centers on Dorami and the Doraemons investigating mysteries at a robot school, consistent with its children's animation genre. No characters or plot points relate to gender identity or transition.

The movie does not contain any action or adventure elements.

The film features established characters from the Doraemon franchise, including Dorami and the Doraemon Seven. All characters maintain their canonical genders as established in the source material and prior installments. No character originally depicted as one gender is portrayed as another.

The film features animated robot characters and Japanese human characters. Robots do not possess human racial identities, and the human characters are consistently depicted as ethnically Japanese, aligning with the source material. No established character's race is altered.

Not depicted in the film.