55 pages 1-hour read

Strange Houses

Fiction | Novel | Adult | Published in 2025

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Symbols & Motifs

Content Warning: This section of the guide includes discussion of death and graphic violence.

Houses

In the novel, houses function as a prominent motif related to The Struggle to Make a Better Life. The introduction of the Tokyo house in the first chapter occurs within the context of Yanaoka’s search for a home that will suit his growing family. Yanaoka does not trust the house because of its dead space. Thus, his rejection of the house at the end of Chapter 1 signals his commitment to his family’s well-being.


While the initial association of the Tokyo and Saitama houses with murder appears to undercut their relationship with hope for the future, the novel ultimately upholds the pattern by revealing the houses to be part of a plan to liberate people from a sinister tradition. Indeed, much as it is a floor plan that sparks the suspicions of murder, it is the design of the houses that eventually illustrate the Katabuchis’ struggle to break free from their traditions. In Chapter 3, Yuzuki explains that one of her ancestors was involved with a religious cult fixated on symmetry. This manifests in the design of Shigeharu’s house, which is perfectly symmetrical and oriented toward the hallway altar. When Keita asks permission to move outside the estate, he and Shigeharu collaborate on the design of the house, but its asymmetrical shape reflects Keita and Ayano’s growing resistance to the Katabuchi family legacy. When Shigeharu forces them to move to Tokyo, he reinforces his control by making the house’s external shape symmetrical once again. However, the internal layout of the house is asymmetrical, representing the couple’s continued resistance. The fact that the second floor is laid out around the child’s room also points to the central place Momoya and Hiroto occupy in their lives, inspiring their efforts to break free.

Left Hand

The left hand is a motif related to The Corruptive Power of Greed, the dismemberment suggesting the Katabuchis’ dehumanization of one another in the pursuit of wealth. The motif first appears as a peculiar detail in the murders at the Saitama and Tokyo houses. This forensic pattern suggests a ritualistic aspect to the murders that later evidence confirms. As the novel exposes the history of the Offering, it becomes clear that the significance of the left hand stemmed from Soichiro’s conflation of Ushio’s death with a congenital disorder that occurred in the family. Soichiro’s belief that these events were related reflects the centrality of wealth to his worldview; he was all too willing to believe that Ushio had cursed his family because he had lost much of his inheritance to Seikichi. Soichiro subsequently taught Shigeharu to honor the ritual to secure their continued prosperity. In truth, the sacrifice of the left hand means nothing other than the prioritization of wealth over human life.

Pure Speculation

Kurihara’s insistence that his theories are “pure speculation” recurs throughout the novel as a motif related to The Inaccessibility of the Truth. Kurihara is usually confident when he interprets the floor plans, but whenever his theories start to veer into outlandish territory, he issues the disclaimer that he is merely speculating and that Uketsu shouldn’t take him too seriously. Although Kurihara is presented as a subject expert on architecture and mystery stories, his frequent errors point to the limits of his speculation. No matter how compelling they are, they will never stand as an adequate substitute for the truth, though they do sometimes point Uketsu in the direction of it.

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