The film features a character, Ninomiya, who is a trans boy. His gender identity is handled with sensitivity and respect, portraying his internal experience and his quiet acceptance by a friend. The narrative affirms his identity without making it a source of conflict or mockery, contributing to a positive and empathetic portrayal.

The film features Maria, a transsexual girl who is a classmate of the protagonist's daughter. Her identity is presented as a natural and accepted part of her character, without being a central plot point or source of conflict. The narrative avoids both affirming and denigrating portrayals, depicting her identity incidentally within the story's broader themes of family and acceptance.

The film centers on a loving, non-traditional single-parent family unit, emphasizing the strength of chosen family bonds over biological ties. This narrative normalizes alternative family structures and relationships.