THE IDOLM@STER CINDERELLA GIRLS U149 centers on the professional and personal growth of young idols. The series does not feature any explicit LGBTQ+ characters, themes, relationships, or subtext, maintaining a focus on childhood, ambition, and the entertainment industry without venturing into topics of sexuality or gender identity.

THE IDOLM@STER CINDERELLA GIRLS U149 does not feature any transsexual characters or themes. The narrative centers on cisgender girls aspiring to be idols, with no discussion of gender identity or representation of the transsexual community. Therefore, the portrayal is categorized as N/A.

The movie does not contain any action or adventure elements.

The show portrays all main and supporting characters, who are female idols, with on-screen genders consistent with their established canonical genders from the original manga and related media. There are no instances where a character's gender differs from their source material.

The anime adaptation maintains consistency with its Japanese source material and setting. Characters, primarily Japanese idols, are depicted with ethnic and phenotypical authenticity relative to their established origins, indicating no instances of race swapping.