The film 'Undo' does not depict any LGBTQ+ characters or themes. Its narrative is exclusively centered on the psychological unraveling of a heterosexual couple's relationship, offering no portrayal relevant to LGBTQ+ identity.

Shunji Iwai's 1994 film 'Undo' does not contain any identifiable transsexual characters or themes. The story centers on a couple's deteriorating relationship and the wife's escalating obsessive-compulsive behaviors, without engaging with transgender identity or related issues.

The movie does not contain any action or adventure elements.

Undo (1994) is an original film with characters created specifically for this production. There is no prior source material, historical record, or previous installment from which character genders could have been established and subsequently altered.

Undo is an original Japanese film from 1994, not an adaptation of existing source material, a biopic, or a reboot. All characters were created for this specific film, thus there are no pre-established characters whose race could be swapped.