Many of these stories are set in the late 2000s to 2010s, reflecting Japan's "Lost Decade(s)." The danchi was once a symbol of middle-class aspiration. By the time of the animation, these complexes house the working poor, single mothers, and the elderly. Financial desperation—the threat of eviction, the need to secure a tenant's favor—drives several plot points, grounding the fantasy in uneasy economic reality.

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