In this intimate home setting, two beautiful young girls named Shunya and Haruru find themselves at the mercy of their own father, who takes pleasure in teasing their petite bodies. But when they return home, they are met not only by their lustful father but also by masked men waiting in disguise. Trapped and unable to escape, these innocent girls become pawns in the depraved desires of their captors as they take turns unleashing their darkest fantasies upon them...