Due to a lack of available plot or character details for 'Midnight Diner, 2017', an assessment of its portrayal of LGBTQ+ characters and themes cannot be made. There is insufficient information to determine their presence or the nature of any depiction.

Based on the provided information, there is insufficient data to assess the portrayal of transsexual characters or themes in 'Midnight Diner, 2017'. No details regarding such depictions, character arcs, or plot points were available to make an informed evaluation.

The movie does not contain any action or adventure elements.

The 2017 Chinese adaptation of 'Midnight Diner' maintains the canonical male gender for its central character, the Master, who was male in the original Japanese manga and previous adaptations. No established characters from the source material appear to have undergone a gender swap.

The 2017 series is a Chinese adaptation of a Japanese manga and TV show. While the ethnicity of characters shifts from Japanese to Chinese, both fall under the broader East Asian racial category, which does not constitute a race swap per the definition.