Based on available information, there is no specific data regarding the portrayal of LGBTQ+ characters or themes in 'Sigue mi voz, 2025'. The plot focuses on a heterosexual romance, and comprehensive details on LGBTQ+ representation are not present in the search results, leading to an N/K assessment.

The film *Sigue mi voz* does not appear to feature any transsexual characters or themes. Plot descriptions, cast lists, and available reviews do not include any elements related to transgender identity or experiences, indicating no depiction in the narrative. For example, the plot focuses on a character's mental health crisis and romance, with no mention of gender transformation.

The movie does not contain any action or adventure elements.

The film is an adaptation of a novel, and the provided information explicitly states that no characters have an on-screen gender that differs from their established gender in the source material. Key characters like Klara and Kang maintain their original genders.

The source novel did not specify the race of the protagonist, Klara, allowing for the casting of a Spanish actress without a race swap. The character Kang's Korean origin is consistent between the source material and the film adaptation.