The narrative centers on a heterosexual marriage. While it lacks explicit queer identities, the theme of domestic breakdown destabilizes the traditional nuclear family ideal.

The film disrupts gender hierarchies by stripping the husband and wife of their social roles. Physical transformations suggest a dissolution of gendered expectations and stability.

As a Japanese production, the film features a primarily Japanese cast. It maintains a homogeneous demographic without actively seeking to expand ethnic breadth.

The film critiques the sanctity of the family by framing the home as a site of horror. It embraces subjective morality and the deconstruction of domestic institutions.

There is no explicit mention of characters with disabilities. The physical transformations appear to be supernatural or psychological rather than representations of disability.