The film operates within a standard heteronormative framework. It does not feature explicit LGBTQ+ characters or storylines centered on non-cisnormative identities.

Nikuko disrupts traditional hierarchies by leading a household with high agency and strength. The film avoids submissive tropes, presenting a matriarchal structure where women drive the emotional momentum.

Set in a Japanese fishing harbor, the cast and setting are ethnically homogeneous. This reflects the authentic social constraints of its specific geographic and cultural context.

The story challenges nuclear family ideals by centering on a single-mother household and multi-generational living. It prioritizes community and working-class connections over material wealth.

There are no prominent depictions of visible or invisible disabilities. Characters are portrayed within a standard range of physical and neurotypical functioning.