
Kaoruko and Kazumasa Harima are a separated couple with two children. They plan to divorce once their daughter, Mizuho, enters elementary school. One day, they receive devastating news of their daughter falling into a coma after a near-drowning accident at a pool. The doctors declare her brain dead with no prospect of recovery and the couple must decide if they should donate her organs to others in need or to wait until her heart stops beating.


Platform catalog indices and licensed providers for The House Where the Mermaid Sleeps.
Slow-Burn Atmospheric
7 / 10
Emotionally Piercing
Emotionally Grounded
Calculated narrative telemetry highlights notable thematic precision within Drama. With an established critical baseline of 6.9/10, the plot emphasizes slow-burn atmospheric pacing paired with an ending characterized by emotionally piercing.
Low
Engagement barrierStandard Rhythmic Build
Story velocityHigh (Layered Nuances)
Hidden layers"Maintain active attention during the pivotal turning points. The narrative progression hinges on subtle thematic cues established in the first two acts before converging in the climax."
Contains complete plot revelations, climax analysis, and hidden clues for The House Where the Mermaid Sleeps. Proceed only if you have watched the finale.
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Mao Kawashima
★ 8.2