A beautiful woman bound at all four limbs, forced to writhe helplessly. The victim of a sadist's cruel obsession appears pitiful, like a mermaid stranded on land. Her tightly wrapped body emits groans bordering on suffocation. The enclosed space fills with sweat and scent emanating from her body, while muffled cries of desperate resistance escape her sealed mouth. Her vulnerability and suffering convey a heartbreaking agony, just like a mermaid out of water.